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Therapies for Children With Autism Spectrum Disorders

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interaction with peers; outcome measures were generally parent-reported. The studies also lacked<br />

control groups so it is difficult to determine whether improvements are treatment-specific.<br />

Table 11. Outcomes of RCTs of social skills behavioral interventions<br />

Author, year, country Age, mean years ± SD<br />

Key outcomes<br />

Groups, N enrollment/N<br />

final<br />

Study quality<br />

IQ, mean ± SD<br />

Quirmbach et al. 145<br />

G1: 9.49 ± 2.09<br />

• G1 & G2 showed significant game play skill<br />

2009, US<br />

G2: 10.33 ± 2.53<br />

improvements across four trials while G3 did not<br />

G3: 8.85 ± 1.59<br />

(p

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