Atlas›Domain VI · Brief, integrative, trauma, hypnosis & coaching›Guide 072
Guide VI-072

ARC framework

Margaret Blaustein, Kristine Kinniburgh2005Brookline, Massachusetts
A 33 · L 52 · M 1516 interventions in the Trinity explorer
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[source: …] where a claim comes from[uncertain] not confirmed in a primary source[synthesis] the writer's reconstruction

1. Introduction

Version followed: the structure of the 2nd edition of Blaustein & Kinniburgh, Treating Traumatic Stress in Children and Adolescents (Guilford; dated 2018 by the ACF Clearinghouse, 2019 in library records). It has eight building blocks, two foundational strategies and Trauma Experience Integration. Procedures come from the founders' 2005 framework paper (Kinniburgh, Blaustein, Spinazzola & van der Kolk) and from their 2017 caregiver curriculum ARC Reflections, published by the Annie E. Casey Foundation. The 2nd edition is drawn on at chapter level only, not its text. Where a 2nd-edition chapter's sub-skills could not be checked, the guide says so [uncertain].

Source status. Sourced: the 2nd edition's part structure, including where Trauma Experience Integration sits (Part II, ch. 4, and Part VII "Model Integration", ch. 15) [Guilford contents]; the developers' definition of TEI as ARC's central goal [Blaustein's 2018 Psychotherapy Networker/PESI course outline; ARC brochure]; the topics Blaustein teaches under each 2nd-edition building block (engagement, attunement, effective response, identification, modulation, competency), used here to check sub-skill content; ARC Grow's format [ACF Clearinghouse]; training, supervision and outcome-monitoring requirements [NCTSN at-a-glance, 2024]; and the residential implementation paper [Hodgdon et al. 2013, abstract]. One correction: the ten-block list belongs to the 1st edition (2010); the 2005 paper uses three building blocks with principles and skills (see 2). Unconfirmed [uncertain]: the text of the TEI chapters, so TEI readiness criteria, dosing and procedure remain [synthesis]; the full sub-skill lists inside each 2nd-edition chapter; where Affect Expression and Developmental Tasks now sit (inferred only); and the content of the ARC Session Fidelity Checklist.

What it is. ARC (Attachment, Regulation and Competency; originally "Attachment, Self-Regulation, and Competency") is a component-based framework, not a session-by-session protocol. The 2005 paper says that, unlike manualised protocols, it acts as a guideline to inform treatment choices [source: Kinniburgh et al. 2005]. It was developed by Margaret Blaustein and Kristine Kinniburgh at the Trauma Center at Justice Resource Institute (Brookline, Massachusetts). It serves children and young people from birth to 21 who have complex (chronic, interpersonal, developmental) trauma, and their caregiving systems: parents, kin, foster and adoptive carers, residential staff and teachers [source: ARC brochure; ACF]. Its three stated goals are to strengthen the caregiving system, to address the child's dysregulation of emotion, physiology and behaviour, and to build factors linked to resilience such as executive function, problem-solving and identity [source: NCTSN 2024]. The clinician assesses the child and the system, picks the relevant building blocks and delivers them through individual, dyadic, family, group or milieu work. It can also be run as an organisation-wide model. [source: Kinniburgh et al. 2005; ACF Prevention Services Clearinghouse; CEBC ARC entry; ATN 2017; NCTSN 2024]

How change happens. Chronic trauma derails three things. The first is the caregiving system that should keep a child safe and co-regulate them. The second is the child's ability to notice and manage emotional and physiological states. The third is normal developmental competencies such as relationships, executive functions and identity. Much problem behaviour is understood as an adaptive danger response. ARC rebuilds a safe, attuned and predictable caregiving context (Attachment). Within it, the child learns to identify and modulate internal states (Regulation) and then builds the skills and sense of self that support resilience (Competency). The developers name Trauma Experience Integration as the central goal that the three domains serve [source: ARC brochure]. Blaustein describes it as the gradual growth of the child's capacity to tolerate distress, make meaning of past experience and integrate it so that it informs the present in a positive way [source: PN course 2018, session 1]. [source: Kinniburgh et al. 2005; Guilford 2nd-ed. contents; ACF Clearinghouse; ARC Reflections S6–S7]

2. Framework

Structure (2nd edition) [source: Guilford 2nd-ed. table of contents; ACF Clearinghouse]

  • Overview concepts: the developmental impact of trauma, and a "three-part model" of child development, the human danger response and adaptation, used to understand behaviour.
  • Foundational strategies (used throughout): (a) Engagement and Education; (b) Routines and Rhythms.
  • Attachment domain (building the caregiving system): Caregiver Management of Affect, Attunement, Effective Response.
  • Regulation domain (the child's awareness and management of internal experience): Identification, Modulation.
  • Competency domain (resilience): Relational Connection, Strengthening Executive Functions, Self-Development and Identity.
  • Trauma Experience Integration (TEI): ARC's central goal, pursued through the three domains rather than as a separate late phase [source: ARC brochure; PN course 2018]. In the 2nd edition it has its own part near the start (Part II, "The Integration of Traumatic Experiences", ch. 4) and is revisited in the closing part (Part VII, "Model Integration", ch. 15, "Trauma Experience Integration Revisited") [source: Guilford contents].

Edition differences. The 2005 paper organises ARC into three building blocks: Attachment, Self-Regulation and Competency. Attachment has four principles: structure through routines and rituals, caregiver capacity to manage intense affect, caregiver–child attunement, and praise and reinforcement. Self-Regulation has three skills: affect knowledge, affect expression and affect modulation. Competency has four principles: opportunities for mastery, for connection and for building strengths, and practice with review of outcomes [source: Kinniburgh et al. 2005]. The 1st edition (2010) split these into ten building blocks [source: ATN 2017; ImpactCE]:

  • Attachment: Caregiver Affect Management, Attunement, Consistent Response, Routines and Rituals.
  • Self-Regulation: Affect Identification, Affect Modulation, Affect Expression.
  • Competency: Executive Functions, Self-Development/Identity, Developmental Tasks.

The 2nd edition makes routines a foundational strategy (alongside Engagement and Education), renames Consistent Response as Effective Response, and moves relational work into Competency as Relational Connection [source: Guilford contents; ATN 2017]. Neither Affect Expression nor Developmental Tasks has a 2nd-edition chapter. The developers' brochure describes the Regulation domain as including helping children read social cues and communicate their needs, which suggests expression now sits within Regulation and Relational Connection [source: ARC brochure; inference]. Blaustein's 2018 course treats disrupted developmental tasks as part of what complex trauma is, and covers competency as executive functioning, decision-making, connection and identity, which suggests the old Developmental Tasks content is spread across the three Competency chapters [source: PN course 2018; inference]. Neither placement was confirmed in chapter text [uncertain].

Phases. The ACF Clearinghouse says ARC has no fixed phases. Providers work on treatment targets throughout. The 2005 paper describes ARC as building on phase-oriented trauma models. It recognises trauma processing but first addresses skill deficits and current distress. The NCTSN fact sheet adds that short-term treatment (for example 10–12 sessions) is typically not indicated for complex presentations, and that treatment should rest on a full trauma-informed formulation of child and family built from varied assessment data. [source: ACF; Kinniburgh et al. 2005; NCTSN 2024]

Format and dose [source: ACF; CEBC; Futures Without Violence]

  • Formats: individual child; caregiver alone; child and caregiver together; family; group; milieu or organisation (residential, schools, hospitals, foster care, shelters, juvenile justice).
  • Frequency: weekly or more often.
  • Typical length: about 6 weeks in inpatient settings. Outpatient work often runs more than 6 months and up to a year (Futures Without Violence lists 6–12 months or more). Organisational use follows the programme, class or school year. Published adaptations include a 16-week version for adoptive families.
  • Homework: usually daily practice for caregivers and/or youth.
  • Caregiver programmes: ARC Reflections (group, for resource caregivers) runs as 9 sessions of about 2 hours, weekly or fortnightly, with 5–10 minutes of daily practice [source: CEBC ARC Reflections; NCTSN 2024]. ARC Grow (individual caregiver skill-building, mainly in the home) runs as 12 sessions of 90 minutes, each focused on one building block; ARC Grow TIDD, for caregivers of children with intellectual and developmental disabilities, has 14 [source: ACF ARC Grow; manuals Kinniburgh & Blaustein 2016, 2023].
  • Training: a 2–3-day foundational training, then consultation. For clinical implementation the minimum is 12 hours or one year (1–2 hours a month) [source: CEBC; ACF]. The developers recommend at least one year of training, consultation and application, and three years for organisations. Supervisors need at least one extra training day and 12 or more hours of supervision-focused consultation; agencies can have internal trainers certified to train their own staff [source: NCTSN 2024]. ARC Grow facilitators (parent support workers or clinical staff) take a 3-day seminar and 10–12 months of required consultation [source: ACF ARC Grow].
  • Fidelity and outcome monitoring: the developers work with each implementing system to choose markers of change, covering system culture and processes, concrete indicators such as staff turnover and secondary trauma, caregiver functioning, youth regulatory capacity and developmental competency; specific measures vary by organisation [source: NCTSN 2024]. A published ARC session fidelity checklist exists but is not drawn on here [uncertain].

Selecting and sequencing building blocks. The sources say only that providers assess needs and choose the relevant blocks [source: ACF; Kinniburgh et al. 2005]. The working sequence below is my synthesis; it fits the 2005 paper's stance that safety and skills come first [synthesis]:

  1. Assess the child, the caregiving system and the setting. Cover safety and placement stability; caregiver capacity and stress; the child's danger-response triggers and patterns; regulation profile (shut down vs. explosive, whether problems are everywhere or only in some situations); and strengths and competencies.
  2. Start in parallel: engagement, psychoeducation, routines, caregiver affect management and attunement. Begin child Identification and Modulation from the first sessions.
  3. Move weight to Competency once two things hold: the caregiver can usually respond rather than react, and the child can name at least some states and use one or more regulation tools with support.
  4. Move to more direct trauma reflection or narrative work (TEI) only when all of these hold: current safety; a caregiver or other adult available to co-regulate; the child can return to a comfortable arousal level after distress in session; and the child or caregiver is willing. See §4, TEI.
  5. Monitor each session with the energy check-in, behaviour patterns and caregiver reports. Revisit earlier blocks whenever destabilisation, placement change or new triggers occur.

3. Guiding principles

Sources: Kinniburgh et al. 2005; CEBC essential components; ARC Reflections S3–S7. [synthesis] marks principles that are my own wording of practice.

  • Child in context. Treat the child together with their development, family and system. Practical meaning: every plan has a caregiver/system target, not only child targets. [source: 2005]
  • Systemic change sustains change. Practical meaning: work with the people who are with the child every day (carers, staff, teachers), not only in the therapy room. [source: 2005]
  • Component-based and individualised. Practical meaning: choose and order building blocks to fit this child and this system; do not run them as a fixed curriculum. [source: 2005; ACF]
  • Safety and skills before trauma processing. Practical meaning: stabilise the caregiving environment and regulation skills before deeper trauma-focused work. [source: 2005]
  • Behaviour is adaptive. Behaviour usually serves survival or an unmet need, and the guide summarises the danger response as "survival trumps everything." Practical meaning: ask what the behaviour protects or achieves before trying to change it. [source: ARC Reflections S3, S7]
  • Perception is reality for the child. Practical meaning: validate how the child experiences the situation even when the adult sees it differently. [source: ARC Reflections S3, S5]
  • Survival strategies can be reframed as strengths. Practical meaning: name what a behaviour has helped the child survive, then redirect that capacity towards goal-directed activity. [source: PN course 2018, S1]
  • Curiosity about why, not only what. Practical meaning: ask what drives a behaviour before deciding how to respond. [source: PN course 2018, S2]
  • Crises are learning opportunities. Practical meaning: after an incident, use it with the caregiver to understand triggers and needs, not only to manage the fallout. [source: PN course 2018, S3; practical meaning is my wording]
  • Caregiver regulation comes first ("put on your own oxygen mask"). Practical meaning: build caregivers' and staff's own affect management and support before asking them to co-regulate the child. [source: ARC Reflections S3; 2005; CEBC]
  • A curious, attuned stance. Practical meaning: observe and form hypotheses ("detective" work) before reacting. [source: CEBC; ARC Reflections S5]
  • Structure and predictability. Practical meaning: build routines into the home, the milieu and the therapy session itself. [source: 2005; CEBC]
  • Strengths over deficits. Practical meaning: deliberately notice and reinforce success so the child identifies with their competence; broaden what counts as success. [source: 2005]
  • Engagement of everyone. Practical meaning: actively build and keep the investment of child, family and providers in every component. [source: CEBC]
  • Psychoeducation links trauma to targets. Practical meaning: help caregivers and youth see how trauma drives the specific behaviours being worked on. [source: CEBC]
  • Meeting needs is not rewarding behaviour. Practical meaning: respond to the need behind the behaviour, even when that feels counterintuitive. [source: ARC Reflections S7]
  • No single strategy works every time. Practical meaning: treat strategies as experiments, apply them consistently for a while, then review. [source: ARC Reflections S6, S7]
  • Feelings are accepted even when behaviour is not. Practical meaning: separate validating the feeling from limiting the action. [source: ARC Reflections S6, S7]
  • Provider support and vicarious trauma are part of the model. Practical meaning: build supervision and self-care into implementation. [source: CEBC; 2005]
  • Mastery, connection and practice. Create chances for mastery and for connection, build on strengths, and encourage practice with review of outcomes. Practical meaning: every plan includes experiences of success, not only skill teaching. [source: 2005]
  • Developmental fit. Practical meaning: adapt each tool to the child's developmental age, not their chronological age. [synthesis; age adaptation is a 2010-edition learning objective per ImpactCE]

4. Intervention inventory

The inventory is grouped by ARC component. Interventions marked "ARC Reflections" come from the founders' 2017 caregiver-group curriculum (sessions S3 "Put on Your Oxygen Mask", S5 "Mirror, Mirror", S6 "Calm, Cool, Connected" and S7 "Respond, Don't React"). Each is used here as the caregiver-facing form of the matching building block; matching a session to a block is my inference, because the guides do not name the blocks [uncertain]. Activities marked "2005" come from the sample-activity tables in Kinniburgh et al. (2005), which give individual, familial and systemic versions of each. Items marked "PN course 2018" come from the session outline of Blaustein's online ARC course (Psychotherapy Networker/PESI), which follows the 2nd-edition building blocks; it names topics, not steps. The building blocks listed below each have their own chapter in the 2nd edition; the chapter texts are not drawn on here, so sub-skill lists may be incomplete [uncertain]. All example wording is my own and marked (illustrative), unless it is a short quotation with a citation.

A. Foundational strategies

A1. Engagement

  • Purpose / when: to build and keep the investment of the child, the caregivers and the providers in every component. Do this from the first contact and repeat it whenever attendance or effort drops. Blaustein teaches engagement together with education, routines and rhythms as "unifying strategies", including four key factors for successful engagement and refining the therapist's own attunement [source: CEBC essential components; Guilford ch. 5 title; PN course 2018, S2]. The four factors are not listed in the sources [uncertain].
  • Steps [synthesis, except where a source is tagged; the 2nd-edition chapter's steps are not reproduced here]:
    1. Ask each party what they want to be different, using their own words.
    2. Link ARC targets to those goals.
    3. Identify practical barriers to taking part: transport, scheduling, placement uncertainty, past bad experiences of services.
    4. Agree who attends which sessions. Caregivers are a primary target in outpatient work [source: CEBC].
    5. Check engagement at regular review points.
    6. In caregiver programmes, offer extra engagement sessions after the first meeting so the caregiver learns what to expect, discusses their involvement and sets goals before skill work begins [source: ACF ARC Grow].
    7. Name the usual barriers to caregiver engagement and normalise the caregiver's reactions to the child's behaviour, to reduce stigma [source: PN course 2018, S3].
  • Example language (illustrative): "What would tell you, a few months from now, that coming here was worth it?"
  • Watch for: caregivers who see the work as "fixing the child". Reframe it as the team building the child's environment and skills together.

A2. Psychoeducation: trauma, the danger response and behaviour

  • Purpose / when: to help caregivers, staff and older youth understand how trauma drives the current behaviour, so they respond to its function rather than its surface. Blaustein frames education as empowerment for children and caregivers, and teaches caregivers the neurobiology of reactivity and the danger response [source: PN course 2018, S2–S3]. Start early and come back to it whenever a behaviour is misread. [source: CEBC; Guilford ch. 2 & 5 titles; ARC Reflections S3, S6, S7]
  • Steps [source: ARC Reflections S3, S6, S7]:
    1. Teach the "Express Road" and the "Main Road". Under perceived danger the brain can bypass thinking and go straight to reaction (the Express Road). The Main Road keeps thinking, planning and problem-solving online. Once the Express Road is active, thinking and language shut down, so the aim is to intervene early. The guides credit this metaphor to Joshua Arvidson.
    2. Teach the behaviour sequence. The child's lens (the world is dangerous) drives a function (survival). Limited internal and external resources reduce the options for responding.
    3. Teach the needs hierarchy (adapted from Maslow). When the child feels unsafe, survival needs override values. This explains why a child can appear to share the family's values one moment and abandon them the next.
    4. Apply it to a real behaviour. Name the trigger, the clues and the likely need. Caregivers bring a behaviour they have observed (in ARC Reflections, the S2 homework).
    5. Apply the same model to the adults. Caregivers have Express Roads too.
  • Example language (illustrative): "When her alarm goes off, the thinking part of her brain goes offline. That's why reasoning with her mid-meltdown doesn't land. Our job is to catch it earlier."
  • Watch for: psychoeducation heard as an excuse for the behaviour. Pair it with A3 and C-block skills. Working well: caregivers start to describe behaviour in terms of triggers and needs.

A3. Routines and rhythms

  • Purpose / when: to create a structured, predictable environment that lowers danger cues and supports regulation. Use it from the start, in the home, the milieu and the therapy session. [source: 2005; CEBC; ARC Reflections S6; Guilford ch. 6]
  • Steps [source: 2005; ARC Reflections S6]:
    1. Build a predictable structure into each therapy session. For example: check-in, skill, practice, closing routine. [2005: "predictable therapy routines"]
    2. Map the child's day for three kinds of moment:
      • challenge points: transitions, hygiene, homework, meals;
      • natural soothing times: bedtime, bath, play;
      • connection times: check-ins, problem-solving.
    3. Design routines for those moments, such as morning, meal and bedtime routines [2005].
    4. Give the child control within the routine. In the S6 case example, picture cards show each step of the evening. Each card has a "do it alone" side and a "with support" side, and the child orders the cards and chooses a side for each.
    5. Review. A routine should reduce distress. If it does not, change it [S6].
    6. In milieus, keep routines consistent across staff and shifts, and prepare the child ahead of changes [2005].
  • Example language (illustrative): "Let's put tonight's steps in order. For each one, you choose: by yourself, or with me."
  • Watch for: routines enforced rigidly as compliance tests, and transitions such as contact visits, shift changes, holidays or placement moves. Working well: fewer flashpoints at mapped challenge times.

A4. Energy check-in (opening and closing)

  • Purpose / when: a neutral, low-shame way to track internal state. It is used at the start and end of every ARC Reflections session, and adults model it for children [source: ARC Reflections S3, S5–S7]. ARC Grow sessions likewise open with an energy check-in followed by a modulation activity, and close with a modulation activity and a check-out on energy and comfort [source: ACF ARC Grow].
  • Steps [source: ARC Reflections]:
    1. Rate your energy/arousal from −10 to +10.
    2. Rate how comfortable that level feels.
    3. Rate how well it fits the current situation.
    4. If the fit is poor, name a tool that could shift it.
    5. At the close, re-rate and note which tool helped.
  • Example language (illustrative): "Where's your energy right now, from minus ten to plus ten? Does that feel okay? Does it fit what we're about to do?"
  • Watch for: children who always report the same number. Add observation ("your foot's going fast") and teach the scale when the child is calm. Working well: the child volunteers a rating and picks a tool.

B. Attachment

B1. Caregiver management of affect

  • Purpose / when: to build the capacity of caregivers and staff to tolerate and manage their own intense emotion, so they can respond rather than react. Start early, and always before asking the caregiver to co-regulate. [source: 2005; CEBC; ARC Reflections S3; Guilford ch. 7]
  • Steps [source: ARC Reflections S3]:
    1. Validate and normalise the caregiver's feelings, including unattractive ones, and normalise missteps.
    2. Identify what makes a hard day in three areas: the child (behaviours, transitions, visits, advocacy); the caregiver's wider life (money, work, other children); and the caregiver's self (fatigue, hunger, own history, feeling incompetent). The homework is to notice when these "push buttons" are triggered during the week.
    3. Name personal Express-Road clues, such as yelling, lecturing, saying something mean, withdrawing, rejecting or feeling hopeless.
    4. Stay on the Main Road by anticipating stressors and checking in with yourself regularly.
    5. Use "What is in your head?" self-monitoring: notice thoughts, feelings and body sensations, and which of them take up more space than expected.
    6. Build a four-part toolbox:
      • preparation tools: self-talk, a plan, a support person, sleep, food;
      • in-your-pocket tools: breathing, muscle release, counting, a brief step away, a self-affirmation;
      • recovery tools: calling a friend, a hot drink, exercise, recalling one good thing;
      • ongoing self-care: a support team, an interest of one's own, basic health needs.
    7. Practise in the room. Recall a stressor briefly, notice the body, use one tool (for example, a breath with raised arms), and re-rate.
    8. At system level, provide staff support forums, self-care and attention to vicarious trauma [2005; CEBC].
  • Example language: the guide's own phrase is "Put on your own oxygen mask before helping someone else" [ARC Reflections S3]. Illustrative: "What was going on in your body just before you raised your voice?"
  • Watch for: caregiver shame, which increases reactivity; a caregiver's own trauma history being activated (consider a referral for the caregiver [synthesis]); and burnout. Working well: the caregiver can name their early clues and describe one time they caught them.

B2. Attunement

  • Purpose / when: to help caregivers read the feeling and need beneath the behaviour and reflect it back, so the child feels seen. Use it once caregivers have some self-regulation tools. [source: 2005; ARC Reflections S5–S6; Guilford ch. 8]
  • Steps:
    1. Regulate yourself first, using the B1 toolbox [S5].
    2. Be a detective [S5, S6]:
      • notice overt clues and patterns;
      • hypothesise the underlying need (safety, physical, emotional, relational);
      • let the need guide the response.
      • Homework: the "Be a Detective" worksheet. Observe someone over a week, for example for clues of frustration.
    3. Make a three-column map of triggers, clues of dysregulation and needs, then look for links between columns. Track energy across the day to find the child's best and worst times [S6].
    4. Mirror with words [S5]. Five moves:
      • curiosity (invite the child to share);
      • reflect affect (name the feeling);
      • reflect cues (describe the body signs);
      • validate (the child's perception makes sense);
      • normalise (the reaction is understandable). Keep words minimal when the child is upset [S6].
    5. Mirror with behaviour: sit nearby, slow your speech, be quiet, offer space, or offer physical comfort only if the child accepts it [S5].
    6. Notice and pause the responses that block mirroring: fixing, minimising, setting limits in the moment, rushing to change the feeling, invalidating, pushing the child to talk. These are normal impulses, often driven by the caregiver's own state [S5].
    7. Rehearse in pairs or threes. One person tells a short story while a partner mirrors. Then the partner goes blank and silent for about 30 seconds. Swap roles and debrief what each felt [S5 group exercise].
    8. In dyadic sessions, the clinician models language, touch norms and nonverbal cues, and coaches the caregiver live [2005].
    9. Use the three caregiver language skills Blaustein teaches: reflection, validation and normalisation [source: PN course 2018, S3].
    10. Match the child's energy, affect, tone and pace, then co-modulate by cueing, supporting and reinforcing the child's own regulation. Build in shared pleasure, not only problem-focused contact [source: PN course 2018, S4].
  • Example language [ARC Reflections S5–S6, short quotes]: "I can see how upset you are." / "Seems like you have a whole lot of feelings in your body." / "It makes sense that you are upset." Illustrative: "Your energy just jumped when I said visit. Something about that is big."
  • Watch for: culture shapes how emotion is expressed, and learning a child's emotional "language" takes time and includes misreads [S5]. Working well: the caregiver describes need-based hypotheses unprompted, and the child calms faster when mirrored.

B3. Effective response (1st ed./2005: "Consistent Response")

  • Purpose / when: a planned, trauma-informed and individualised response to behaviour that meets the underlying need, supports regulation and keeps safety. Use it once patterns have been mapped (B2). [source: CEBC; ARC Reflections S6–S7; 2005; Guilford ch. 9]
  • Steps [source: ARC Reflections S7 unless marked]:
    1. Be proactive. Choose no more than three target behaviours, including at least one positive behaviour to increase.
    2. Identify patterns and needs. Ask whether the behaviour is survival-driven (fight, flight, freeze, submit) or aimed at an emotional, relational or physical need. Keep several hypotheses open.
    3. Meet the need ("go-tos"). Experiment with ways of meeting it. Avoid moves that confirm the child's fear, such as withdrawing attention from a child who seeks it or asserting power over an aggressive child.
    4. Support regulation. Catch escalation early, check your own state, mirror the child's energy, and offer a regulation break, choices and reconnection. Learn the child's own early signs, which might be shouting, silliness or withdrawal.
    5. Praise and reinforce.
      • Praise any behaviour you want more of, including stopping an unwanted one.
      • Be specific, and add nonverbal approval or charts where they fit.
      • Praise actions, not identity.
      • If the child rejects praise, don't argue; keep noticing.
      • [2005: build reinforcement systems in milieus.]
    6. Set limits for safety or risk of harm, not for every behaviour.
      • Plan limits when you are calm, and deliver them when the child is reasonably calm, separately from co-regulation.
      • Keep them brief and use consequences that follow naturally from the behaviour.
      • Name the feeling, then separate it from the action.
      • Set the limit and move on, showing continued care.
      • Choose consequences with the child's history in mind: time-out may not suit a neglected child, and shouting can trigger a child exposed to violence.
    7. Offer control and choice: two acceptable options [S6].
    8. Reconnect after a crisis [S6]:
      • once everyone is calm, reaffirm the relationship;
      • reconnect at the child's pace, allowing self-protection;
      • repair and apologise if needed, without demanding an apology;
      • move on to something positive.
    9. Combine and rotate strategies. Try each one consistently before judging it, because early reactions may be negative.
    10. Homework: the "Current Approaches to Behavior" worksheet, on one target behaviour.
    11. Plan responses in advance. Blaustein's course teaches a four-step planning process for caregiver responses, covers common caregiver barriers and youth reactions that undermine responses, and stresses avoiding power struggles while meeting the underlying need [source: PN course 2018, S5]. The four steps are not published outside the course [uncertain]; the ARC Reflections steps above are used instead.
  • Case illustration from the source (S7):
    • A 7-year-old who hoards food is given a private, always-stocked food drawer, and the topic stops being discussed.
    • Chores are done side by side, with simple choices.
    • A silly cue phrase prompts her to use a calm-down corner.
  • Example language: "It makes sense that you were angry, but we use our words, not our hands" [ARC Reflections S7]. Illustrative: "Do you want the beanbag or your room, and do you want me close or by the door?"
  • Watch for: caregivers who hear "meeting needs" as having no limits. Stress that safety limits remain. Working well: fewer and shorter escalations, quicker repair, and the caregiver describes a plan rather than a reaction.

C. Regulation

C1. Identification (affect knowledge)

  • Purpose / when: to help the child notice, name and link feelings and body states to experiences, and to read other people's emotional cues accurately. Many children with complex trauma are disconnected from body states, lean towards shame and self-blame, and misread others' feelings as threat. Start early, often in parallel with B1–B2. [source: 2005; Guilford ch. 10]
  • Steps / activities [source: 2005 Table 2 unless marked]:
    1. Assess whether the deficit is pervasive or tied to particular situations, and whether the child tends towards shutting down or towards explosive reactions.
    2. Individual work:
      • feelings flashcards and feelings charades;
      • linking feelings to stories or characters;
      • body drawings showing where feelings sit;
      • a feelings "toolbox";
      • intensity scales such as a thermometer or 0–100.
      • Normalise all feelings while separating safe from unsafe ways of expressing them.
    3. Use "energy" as a neutral entry point when feeling words are too exposing [ARC Reflections S6].
    4. Assess the child's tolerance for different arousal states and their current coping strategies. Then build awareness step by step: notice internal states, name feelings, link emotions to thoughts, body sensations and behaviour, and explore triggers and the body's alarm system [source: PN course 2018, S6]. Include reading other people's cues, especially signs of interpersonal threat [source: ARC brochure; 2005].
    5. Family work:
      • caregivers use reflective listening and model labels for their own feelings;
      • family members name feelings together while watching TV or films;
      • families do regular check-ins.
    6. In milieus: staff model emotion labels, emotion-themed spaces are created, and staff are trained to tolerate emotional expression.
  • Example language (illustrative): "If that feeling had a colour and a place in your body, where would it be?" / "How big is it on the thermometer: a 2 or an 8?"
  • Watch for: a child who only has "fine" or "mad"; misreading neutral faces as angry (practise reading cues); and shame. Working well: the child links a body cue to a feeling and a trigger.

C2. Modulation

  • Purpose / when: to help the child notice shifts in arousal and return to a comfortable level, first with an adult (co-regulation) and then increasingly alone. Use it throughout, alongside C1. [source: 2005; ARC Reflections S6; Guilford ch. 11]
  • Steps / activities:
    1. Teach and practise state-shifting strategies [2005]:
      • up-regulation for shut-down or low energy: grounding, movement, engagement;
      • down-regulation: breathing, muscle relaxation, imagery;
      • alternating-state practice: for example "turn up the volume" games, big and small movements, yoga, dance, martial arts.
    2. Run sensory and movement experiments [S6]:
      • play two music clips with different tempos and notice the reactions;
      • lead a simple movement game such as Simon Says or freeze dance;
      • vary the type, direction and pace of movement to learn what regulates and what dysregulates this child.
    3. Set up a soothing space with the child [S6]:
      • choose a spot and stock it together (pictures, cushions, sensory objects);
      • practise using it at calm times first, then in mild distress.
    4. Build ongoing modulating activities into the week (music, crafts, sport, reading, expressive arts), not only crisis use [S6].
    5. Blaustein's course groups modulation strategies as sensory, gross-motor and dedicated calm or safe spaces, collected into a "feelings toolbox", with caregivers engaged in modulation and in repair and reconnection after meltdowns [source: PN course 2018, S7].
    6. Catch the moment early, at the first clues and before the Express Road takes over. Plan responses in advance [S6].
    7. Support use of tools [S6]:
      • model by narrating your own coping;
      • prompt a specific tool rather than saying "calm down";
      • if one tool does not work, try another.
    8. Make the caregiver a regulation resource. Caregivers notice calmer states aloud, offer comfort, and act as the child's "regulation tool" [2005]. In milieus, staff cue and support skill use [2005].
    9. Homework: a household Self-Regulation Inventory. List what already supports regulation for each family member and what to add [S6].
  • Example language: "I'm going to take a big breath so I can be calm and help you" [ARC Reflections S6]. Illustrative: "Let's try the wall push for ten seconds and see if your number moves."
  • Watch for: relaxation that triggers a child for whom stillness feels unsafe. Offer movement-based or eyes-open options and let the child stop at any time [synthesis]. Working well: the child returns to baseline faster, and later initiates a tool without being prompted.

C3. Affect expression (1st edition / 2005 building block)

  • Purpose / when: safe, effective communication of emotion to others. It is listed here because the 2005 paper names it as one of three regulation skills and the 1st edition makes it a separate block. The 2nd edition has no chapter by this name. The developers' brochure includes communicating needs in the Regulation domain, so its content most likely sits within Identification/Modulation and Relational Connection [source: ARC brochure; inference; uncertain].
  • Steps / activities [source: 2005 Table 2]:
    • Individual: offer varied outlets (art, music, drama, writing, physical expression); use play or displacement (puppets, characters) when direct talk is too much.
    • Family: build expression into routines, such as check-ins at the dinner table; caregivers ask questions that deepen communication.
    • System: run regular communication forums, set norms for safe expression, and name a point person among staff the young person can go to.
  • Example language (illustrative): "You don't have to say it. Want to draw what today felt like, or show me with the puppet?"
  • Watch for: expression that floods the child. Pair it with C2 tools. Working well: the child communicates a need before escalating.

D. Competency

D1. Relational connection

  • Purpose / when: to help the young person build and use safe connections with caregivers, peers and community, and to read safety and danger cues in relationships. The 2nd edition places this in the Competency domain (ch. 12). Blaustein's course frames it as building healthy connection through goals, routine check-ins and resources [source: PN course 2018, S8]. Chapter sub-skills not checked [uncertain]. [source: Guilford ch. 12; CEBC goals; 2005]
  • Steps / activities [source: 2005 Table 3 & principles]:
    1. Assess and build cue-reading for safety and danger in relationships.
    2. Build social skills, distress tolerance in relationships, and the ability to negotiate boundaries.
    3. Create chances for connection with peers, adults and the community, including small-group activities in milieus.
    4. Support links with school, interests and community programmes; adjunctive activities such as sport and the arts.
  • Example language (illustrative): "How did you know you could trust her? What did you notice?"
  • Watch for: indiscriminate closeness or total avoidance; exploitation risk in older youth [synthesis]. Working well: at least one reliable relationship outside the family or placement.

D2. Strengthening executive functions (problem-solving and choice)

  • Purpose / when: to build the child's sense of choice and power through problem-solving, recognising choice points, planning and anticipating consequences. Do it when the child is calm, before or after a challenge, when they ask for help, and in small everyday decisions. Blaustein's course covers four executive-function activities (not named in the sources [uncertain]) and structures that support active decision-making and evaluating choices through play [source: PN course 2018, S8]. [source: ARC Reflections S7; 2005; CEBC; Guilford ch. 13]
  • Steps [source: ARC Reflections S7]:
    1. Name the problem together.
    2. Agree the goals and the outcome wanted.
    3. Brainstorm choices. The adult offers only a few ideas so the child generates their own, and no idea is called "bad".
    4. Weigh the likely consequences of each option, both good and bad.
    5. Make a concrete plan: what, when, how, where and who.
    6. The adult stays in a supportive troubleshooting role and reviews how the plan went.
  • Also:
    • use choice-and-consequence language;
    • set concrete goals;
    • develop future orientation through planning;
    • give age-appropriate responsibility and independent choices;
    • model problem-solving aloud;
    • involve the child in family planning [2005].
  • Example language (illustrative): "So the problem is the bus ride. What would 'better' look like? Give me your ideas first; there are no bad ones."
  • Watch for: children who feel powerless may reject every solution. Start with small decisions and expect ongoing adult support [S7]. Working well: the child can describe a choice point after an incident.

D3. Self-development and identity

  • Purpose / when: to build a coherent, positive and future-oriented sense of self in which the child identifies with competencies, not deficits; Blaustein's course works through multiple "facets of identity" [source: PN course 2018, S8]. Do this throughout, and more intensively once the child is somewhat regulated. [source: 2005; CEBC; Guilford ch. 14; the next ARC Reflections session is titled "Who Are You? All About Identity"]
  • Steps / activities [source: 2005 Table 3]:
    1. Identify the child's interests and strengths across domains.
    2. Help the child redefine what counts as success.
    3. Build a "powerbook" or "pride-book": a collection of achievements and qualities.
    4. Explore personal identity: likes, values, culture, roles.
    5. Develop future orientation: hopes and plans.
    6. Celebrate successes. In milieus, hold forums that celebrate accomplishments, break goals into steps and highlight progress.
    7. Use specific, action-focused praise (B3).
  • Example language (illustrative): "Let's add a page about the day you stayed in class even though you wanted to leave. What does that say about you?"
  • Watch for: fragmented, shame-based self-descriptions ("I'm bad"); identity questions around birth family, culture or placement history [synthesis]. Working well: the child can name strengths, and the self-narrative includes the future.

D4. Mastery and developmental tasks (2005 principles; 1st-edition block)

  • Purpose / when: to rebuild derailed age-normal competencies and to provide outside supports for resilience. The 2005 paper calls these developmental competencies; the 1st edition made Developmental Tasks a block. The 2nd edition has no chapter by this name, and Blaustein's course treats disrupted developmental tasks as part of the complex-trauma picture, so this content is most likely spread across the Competency chapters [source: 2005; ATN 2017; PN course 2018; inference; uncertain].
  • Steps:
    1. Create opportunities for mastery over the environment.
    2. Support school achievement and finishing tasks, working with schools on reinforcement.
    3. Teach self-care and life skills.
    4. Use adjunctive programmes (sport, arts, community), placed within the overall plan.
    5. Encourage practice and review of outcomes to build self-efficacy.
  • Example language (illustrative): "You finished three of five. Last month it was one. What helped?"
  • Watch for: set-ups for failure, with tasks too far above the child's developmental level. Working well: growing self-efficacy statements.

E. Trauma Experience Integration (TEI)

  • What the sources say: TEI is ARC's central goal. Blaustein describes it as the gradual growth of the child's capacity to tolerate distress, make meaning of past experience and integrate it so that it informs the present in a positive way [source: PN course 2018, S1]. The developers' brochure says it is pursued through the Attachment, Regulation and Competency domains [source: ARC brochure]. The 2nd edition gives it a part near the start (ch. 4) and a closing part, "Model Integration" (ch. 15, "Trauma Experience Integration Revisited") [source: Guilford contents]. The authors distinguish "trauma experience integration" from a "trauma processing model" (a 2010-edition learning objective) [source: ImpactCE]. CEBC lists among ARC's goals helping youth reflect on traumatic experience and build a coherent narrative of it. The 2005 paper lists traumatic experience integration among expert-consensus treatment goals and says ARC recognises trauma processing but addresses skills and current distress first. [source: CEBC; Kinniburgh et al. 2005]
  • Not confirmed: the developers' public materials (NCTSN fact sheet, ACF, brochure, course outlines, ARC Reflections guides) give no TEI procedure, readiness criteria or session dosing; these are in chapters 4 and 15 of the 2nd edition [uncertain]. The readiness criteria and steps below are therefore general trauma practice, applied to ARC by me [synthesis]. Two sourced anchors: Blaustein's 2-day course teaches TEI under "understand state-based treatment" and "the role of the core ARC targets in integrating traumatic experiences" [source: PESI 2-day course 2018], which supports working from the child's current state and through the core building blocks rather than through a separate exposure protocol; and her regulation teaching starts by assessing the child's tolerance for arousal states and current coping [source: PN course 2018, S6], which the readiness criteria below check. What the developers' state-based treatment involves step by step is not published [uncertain].
  • Readiness criteria [synthesis]:
    • current safety, with no ongoing abuse and some placement stability;
    • a caregiver or adult who can tolerate the material and co-regulate;
    • the child can identify states and return to a comfortable arousal level with tools (C1–C2);
    • the child consents and the caregiver agrees.
  • Steps [synthesis]:
    1. Integration happens in everyday work too: help the child link present reactions to past experience ("my alarm goes off when doors slam because…") using the A2 model.
    2. If structured narrative work is chosen, follow a published trauma-narrative protocol the clinician is trained in. Do not improvise one.
    3. Dose it. Each session has a predictable opening and an energy check (A4). The trauma-focused segment is time-limited, and the child controls pace and stop signals.
    4. Leave substantial time at the end for regulation, a pleasant activity and the closing routine.
    5. Re-rate energy before the child leaves.
    6. Brief the caregiver on likely after-effects and on co-regulation at home, without sharing content unless the child agrees.
  • If the child becomes overwhelmed or dissociates [synthesis]:
    • stop the content;
    • orient to the present (name the room, the date, objects; movement; up-regulation tools);
    • mirror their energy;
    • offer choice;
    • return to stabilisation blocks until readiness is re-established.
  • Memories: treat what the child recalls as their experience. Do not use suggestion, leading questions or imagery to "uncover" memories [synthesis].
  • Example language (illustrative): "You get to decide how much we talk about it today, and you can show me the stop card any time."

F. Milieu, organisational and caregiver-group delivery

  • Purpose / when: to apply ARC across residential, school, hospital, foster-care and shelter systems, either alone or alongside clinical ARC. [source: ACF; CEBC; 2005]
  • Steps / components [source: 2005 Tables 1–3; ACF]:
    • Milieu consistency: anticipate changes, keep routines consistent across staff, and prepare children for transitions.
    • Staff support: train staff in affect management, run self-care forums, and address vicarious trauma.
    • Trauma-informed responses: train staff to respond to behaviour in a trauma-informed way; use milieu reinforcement systems; shift from a problem focus to a strengths focus and broaden the definition of success.
    • Regulation across the milieu: emotion-themed spaces, staff cueing of skills, communication forums, a named staff point person.
    • Competency: individual goals, chances for the child to contribute to the milieu, forums that celebrate success, small-group connection, and liaison with schools.
  • ARC Reflections caregiver group [source: CEBC; S3–S7]:
    • 9 sessions of about 2 hours, ideally co-facilitated with an experienced foster carer.
    • Each session runs in the same order: a warm-up game tied to the theme; opening energy check-in; report-back on practice; theme teaching with a case example; self-reflection in pairs or threes; a one-sentence "take-home" log; a practice assignment for the week; closing check-in.
    • Example warm-ups: a group rhythm that keeps shifting (attunement); matching energy (regulation); counting up as a group without collisions (patience and strategy).
    • Facilitators should complete the authorised training.
  • ARC Grow (individual caregiver programme) [source: ACF ARC Grow]: 12 sessions of 90 minutes, mainly in the home, each on one building block. Session order: energy check-in and a modulation activity; how the caregiver applied skills at home; an "All About Me Book" activity on the caregiver's identity as a person and parent; teaching and modelling of the ARC content; a "Home Connection" practice assignment; closing modulation activity and check-out on energy and comfort.
  • Residential implementation [source: Hodgdon et al. 2013, abstract]: ARC was introduced into both clinical and milieu programming at two residential programmes, with particular attention to system-level processes and to sustaining the model; pilot data linked ARC use to fewer restraints and reduced PTSD, internalising and externalising symptoms.
  • Watch for: staff turnover diluting consistency, and initiatives that are trauma-informed in name only [synthesis]. Working well: fewer restraints and incidents [source: Hodgdon et al. 2013; ARC brochure], and staff describe behaviour in terms of needs [synthesis]. Track system indicators such as staff turnover and secondary trauma alongside child outcomes [source: NCTSN 2024].

5. Handling problems

The sources give some troubleshooting, mainly in ARC Reflections and the 2005 paper. Everything marked [synthesis] is my own guidance.

  • Escalation in session or at home (Express Road active).
    • Stop teaching or reasoning, because language and thinking are offline.
    • Regulate yourself, use minimal words, and mirror the child's energy.
    • Offer a regulation break and two choices.
    • Repair and reconnect once everyone is calm, and move to something positive.
    • Hold limits when the child is reasonably calm, not at the peak. [source: ARC Reflections S6–S7]
  • Child rejects praise. Don't argue or take it personally. Praise specific actions, not identity, and keep noticing positives. The guide suggests acknowledging the disagreement ("It's OK for you and me to feel differently about it"). [source: ARC Reflections S7]
  • Child rejects every solution or refuses to engage in problem-solving. This is expected in children who feel powerless. Shrink to small daily decisions, generate fewer adult ideas, and stay alongside them. [source: ARC Reflections S7]
  • A new strategy seems to make things worse. Early reactions may be negative. Apply it consistently for a set period before judging, then adjust or rotate. [source: ARC Reflections S7]
  • Strategy backfires because of the child's history. Review consequences against that history. Time-out may echo neglect, and a raised voice may echo violence. Switch to strategies that meet the need. [source: ARC Reflections S7]
  • Caregiver is reactive, punitive or hopeless. Go back to B1: validate, map the push buttons, build the toolbox. Treat caregiver shame as a driver of reactivity. Consider whether the caregiver's own trauma is activated, and offer a referral for them [synthesis]. [source: ARC Reflections S3]
  • Caregiver equates meeting needs with rewarding bad behaviour. Explain that addressing the root usually reduces the behaviour over time and that safety limits remain. Show a concrete case example, such as the hoarding-drawer example. [source: ARC Reflections S7]
  • Non-adherence to home practice [synthesis]:
    • cut the assignment to one 5–10-minute practice tied to an existing routine;
    • review it at the start of every session (ARC Reflections uses a report-back slot);
    • troubleshoot barriers;
    • praise partial attempts, as you would with the child.
  • Missed sessions and disengagement [synthesis]:
    • revisit A1: ask what is getting in the way;
    • relink sessions to the family's own goals;
    • offer home-based or virtual sessions, which are among the delivery options [source: Futures Without Violence].
  • Rupture between clinician and caregiver, or clinician and child [synthesis]:
    • name it;
    • take your share of responsibility;
    • mirror and validate;
    • repair without demanding an apology, using the same repair steps taught to caregivers (S6);
    • check in about the relationship at the next session.
  • Placement change, contact visits, court dates or other transitions [synthesis]:
    • expect regression;
    • anticipate and prepare (a 2005 milieu principle);
    • increase routine and co-regulation;
    • pause competency or TEI work and return to A3 and C2;
    • where possible, hand over the routines and the child's regulation profile to the new caregivers.
  • Overwhelm or dissociation [synthesis]:
    • stop the content;
    • ground in the present with eyes-open, movement-based or sensory up-regulation;
    • lower the demand;
    • repeat the energy check;
    • close with a predictable routine and inform the caregiver.
    • If this happens repeatedly, the child is not ready for trauma-focused content. Strengthen the Attachment and Regulation blocks first.
  • Shut-down child (constricted rather than labile).
    • Use up-regulation and alternating-state activities, and the energy language [source: 2005; ARC Reflections S6].
    • Do not mistake compliance for regulation [synthesis].
  • Cultural mismatch in how emotion is read or expressed. The guide notes that emotional "language" and its expression are shaped by culture. Learn the family's norms, adapt the mirroring, and expect misreads. [source: ARC Reflections S5]
  • Staff burnout, turnover and vicarious trauma in milieus.
    • Build in staff affect-management training and support forums [source: 2005; CEBC].
    • Protect consultation time, and induct new staff into the shared language: Express Road, detective work, energy check-ins [synthesis].
  • Ongoing abuse or a current safety concern. Safety comes before skills work. Follow safeguarding and mandated-reporting procedures, and do not start trauma reflection while the child is unsafe [synthesis].
  • Self-harm or suicidal ideation [synthesis]:
    • carry out a standard risk assessment;
    • make a collaborative safety plan with the young person and the caregiver;
    • counsel on lethal means, limited to safe storage and removal;
    • increase contact as needed and escalate to crisis services when indicated.
    • Regulation tools support the plan but do not replace risk management.
  • No caregiver available (for example, frequent placement moves or a young person in care) [synthesis]:
    • identify any consistent adult (key worker, teacher, mentor) as the attachment target;
    • use ARC's system-level components;
    • the clinician may temporarily be the main co-regulator.

Sources

Web sources:

Books (cited):

  • Blaustein, M. E., & Kinniburgh, K. M. (2010). Treating traumatic stress in children and adolescents: How to foster resilience through attachment, self-regulation, and competency. Guilford Press.
  • Blaustein, M. E., & Kinniburgh, K. M. (2019; listed by ACF as 2018). Treating traumatic stress in children and adolescents (2nd ed.). Guilford Press.
  • Blaustein, M. E., & Kinniburgh, K. M. (2017). ARC Reflections: Facilitator guide. Annie E. Casey Foundation.
  • Kinniburgh, K. M., & Blaustein, M. E. (2016). ARC Grow: An application of the ARC Framework as a caregiver skill-building intervention.
  • Hodgdon, H. B., Kinniburgh, K., Gabowitz, D., Blaustein, M. E., & Spinazzola, J. (2013). Development and implementation of trauma-informed programming in youth residential treatment centers using the ARC framework. Journal of Family Violence, 28(7), 679–692.
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