Autism & Developmental

Reactive aggression among children with and without autism spectrum disorder.

Kaartinen et al. (2014) · Journal of autism and developmental disorders 2014
★ The Verdict

Boys with ASD escalate reactive aggression more than peers, but girls with ASD show the opposite pattern—assess and treat aggression by gender.

✓ Read this if BCBAs writing BIPs for school-age kids with ASD who hit, yell, or shut down after conflict.
✗ Skip if Clinicians serving only preschoolers or adults; aggression is rarely triggered by peer games in those groups.

01Research in Context

01

What this study did

Kaartinen et al. (2014) watched 8- to young learners boys and girls play a rigged video game.

Kids thought they were racing a peer in the next room. When they lost, the "peer" blasted them with loud noise.

The team measured how loud and how long each child retaliated. They compared kids with ASD to typical kids.

02

What they found

Boys with ASD hit back harder and longer than typical boys.

Girls with ASD did the opposite—they stayed calmer than typical girls.

Same diagnosis, opposite aggression pattern split right down gender lines.

03

How this fits with other research

SLibero et al. (2016) remind us that FBA, reinforcement, and FCT still work for ASD aggression. Miia’s lab result says we should run those assessments by gender.

Anderson et al. (2016) show boys with ASD already lose social footing in big classes. Adding higher reactive aggression could speed up rejection—keep classes small or add social entry training.

Boudreau et al. (2015) found 1 in 5 clinic kids has drug-refractory aggression. Miia’s data hint some of those severe cases may be boys whose ASD amplifies retaliation; girls may be under-referred.

04

Why it matters

When you see a blow-up, check the gender first. Boys with ASD may need extra calming scripts before they lose a game or peer interaction. Girls with ASD might look "well-behaved" but could be internalizing stress—watch for anxiety or shutdown instead of loud aggression. Build gender-specific goals into BIPs and social-skills groups.

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Split your aggression data by gender today—if boys peak after losses, pre-teach calming scripts; if girls never peak, add anxiety checks.

02At a glance

Intervention
not applicable
Design
quasi experimental
Sample size
70
Population
autism spectrum disorder, neurotypical
Finding
mixed

03Original abstract

Twenty-seven boys and eight girls with ASD and thirty-five controls matched for gender, age and total score intelligence were studied to ascertain whether boys and girls with ASD display stronger reactive aggression than boys and girls without ASD. Participants performed a computerized version of the Pulkkinen aggression machine that examines the intensity of reactive aggression against attackers of varying gender and age. Relative to the control group boys, the boys with ASD reacted with more serious forms of aggression when subjected to mild aggressive attacks and did not consider a child attacker's opposite sex an inhibitory factor. The girls with ASD, on the other hand, reacted less aggressively than the girls without ASD. According to the results boys with ASD may not follow the typical development in cognitive regulation of reactive aggression.

Journal of autism and developmental disorders, 2014 · doi:10.1007/s10803-012-1743-1