Practitioner Development

Attachment and learning disability: a theoretical review informing three clinical interventions.

Clegg et al. (1995) · Journal of intellectual disability research : JIDR 1995
★ The Verdict

Attachment theory gives staff a fast lens to spot unmet safety needs that fuel adult problem behavior in ID services.

✓ Read this if BCBAs working with adults who have ID and show intense anger or over-dependence on staff.
✗ Skip if Clinicians who only treat young children or typically developing clients.

01Research in Context

01

What this study did

English et al. (1995) wrote a theory paper. They asked: can attachment ideas help staff understand adults with learning disabilities?

The team pulled ideas from child psychology. They built three sample plans staff could try.

02

What they found

The paper does not give new data. It says adults with ID may still have unmet attachment needs.

When needs are missed, people may show anger or stay very close to staff. Staff can partly fill the need by giving steady warmth and clear routines.

03

How this fits with other research

Turgeon et al. (2021) later tested kids with ID and found most had messy, disorganized attachment. This extends the 1995 idea by showing the risk starts early and lasts.

Michael et al. (2018) showed moms who are sensitive and structured raise preschoolers with ID who feel secure. Child IQ did not matter. This supports the 1995 claim that caregiver style, not ability level, drives felt safety.

Colombo et al. (2024) counted only 28 studies that used full functional analysis with adults who have severe behavior. Their gap fits the 1995 call: we still lack adult-focused, function-based work that also looks at emotional roots.

Hoffmann et al. (2016) later argued ACT can target private events in ID. Like the 1995 paper, they push behavior analysts to look inside the person, not just at outside triggers.

04

Why it matters

If you serve adults with ID, add quick attachment screens to your FBA. Ask: does this client cling, explode, or freeze when favorite staff leave? Add a steady key-worker, predictable greetings, and calm voice tone. These low-cost steps may cut problem behavior before you trial heavy interventions.

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→ Action — try this Monday

Pick one adult client, note if they cling or rage when you leave, and assign a consistent staff pair plus a calm hello-goodbye ritual for the week.

02At a glance

Intervention
not applicable
Design
narrative review
Population
intellectual disability
Finding
not reported

03Original abstract

Attachment theory makes sense of two phenomena observed in some people with learning disabilities: it provides a reason for their limited exploration of the world, and it explains discontinuities in the pattern and intensity of their expressions of anger. Applying this framework to three enmeshed relationships occurring between an adult with learning disabilities and a member of care staff achieved at least partial resolution of their problems. Attachment theory's critics have set a number of challenges for its proponents, including emphasizing an interactional rather than a unidirectional approach to relationships; prioritizing social context; and understanding the attachment dynamic dimensionally rather than as a set of categories. The latter issue is pertinent for residential services: facilitating secure attachment relationships for distressed clients may be difficult for professionals, but partial assuagement of their attachment needs is a realistic clinical goal.

Journal of intellectual disability research : JIDR, 1995 · doi:10.1111/j.1365-2788.1995.tb00521.x