Service Delivery

Correlates of Individual and Systemic Advocacy Activities Among Siblings of Autistic Individuals.

Li et al. (2025) · Intellectual and developmental disabilities 2025
★ The Verdict

Sibling advocates need different supports: teach future-planning and disability policy for individual advocacy, foster community ties for systemic advocacy.

✓ Read this if BCBAs who run sibling support groups or family training programs
✗ Skip if Clinicians focused only on reducing problem behavior in the autistic client

01Research in Context

01

What this study did

Li et al. (2025) asked the adult brothers and sisters of autistic people to fill out a survey. The survey asked how often they did two kinds of advocacy.

Individual advocacy means speaking up for one person, like asking a boss for job coaching. Systemic advocacy means pushing for big changes, like writing to lawmakers about disability rights.

The team looked at what predicted each type of advocacy. They checked things like how much the sibling knew about disability policy and how connected they felt to their community.

02

What they found

Siblings who planned for the future and knew disability policy did more individual advocacy. Siblings who felt part of a community and traded favors with neighbors did more systemic advocacy.

In plain words, teaching a sibling about waivers and trusts sparks one-on-one help. Building a strong friend network sparks group action.

03

How this fits with other research

Hutchins et al. (2020) showed that training grade-school siblings to use praise and prompts boosts sharing in kids with ADHD. Chak’s adult siblings may have started as trained helpers and grown into policy fighters. The arc is: teach kids to help, watch adults advocate.

Davy et al. (2024) found that parents join more activities when their autistic child has strong daily-living skills. Chak shows a parallel for siblings: skills plus knowledge drive action. Both papers say the same thing—competence fuels participation—just for different family roles.

Knott et al. (2007) watched young autistic children play with their brothers and sisters. Most play was led by the typical sibling. Chak flips the lens: years later, those same typical siblings are still leading, but now in courtrooms and city halls, not living rooms.

04

Why it matters

If you coach families, split your support. For siblings who want to fight for one person, teach future-planning tools like special-needs trusts and waiver rules. For siblings who want to change systems, plug them into local autism groups and parent swap nights. One skill set does not fit all.

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02At a glance

Intervention
not applicable
Design
survey
Sample size
256
Population
autism spectrum disorder
Finding
not reported

03Original abstract

Extensive research has focused on parent advocacy, but the advocacy efforts of siblings of autistic individuals remain less studied. This study aims to identify the correlates of individual and systemic advocacy among siblings of autistic individuals. Using a national survey, 256 adult siblings of autistic individuals indicated their advocacy activities. Descriptive statistics and hierarchical regressions were used for analyses. Results indicated that, although siblings often engaged in both individual and systemic advocacy, they present as distinct constructs with varying correlates. Older siblings who engaged in future planning and/or were knowledgeable about disability policy were more likely to conduct individual advocacy. Systemic advocacy was greater among siblings more connected to the disability community and had reciprocal exchanges of tangible support.

Intellectual and developmental disabilities, 2025 · doi:10.1352/1934-9556-63.6.498