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Study | Design | Jadad score | Participants | Intervention | Outcome measure | Outcome |
Intervention/groups | Session/time |
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Young et al. [22] | RCT | 4 | 3–5-year-old students with autism spectrum disorder () | (i) Comprehensive autism program () (ii) Business as usual public schools () | 1 day per month/for 6 months | Vineland Adaptive Behavior Scales | Treatment effects were moderated by severity of ASD. |
Corbett et al. [19] | RCT | 3 | 8–14 years with autism spectrum disorder () | (i) SENSE Theatre intervention () (ii) Control () | 4 hours/10 sessions | Adaptive Behavior Assessment System | The theatre-based intervention was provided initial support for the efficacy. |
Landa et al. [21] | RCT | 3 | Toddlers with autism spectrum disorder () | (i) Interpersonal synchrony () (ii) Noninterpersonal synchrony () | 2.5 hours per day/four days per week | Communication and Symbolic Behavior Scales Developmental Profile | A significant treatment effect was found for socially engaged imitation in the interpersonal synchrony group. |
Dawson et al. [20] | RCT | 3 | 18–30-month-old children with autism spectrum disorder () | (i) Early start Denver model intervention group () (ii) Assess-and-monitor group () | 2-hour sessions/twice per day/5 days per week/2 years | Vineland Adaptive Behavior Scales | The intervention for toddlers with ASD is for improving cognitive and adaptive behavior and reducing severity of ASD diagnosis. |
Tang et al. [23] | RCT | 3 | Infants and toddlers with motor or global developmental delay () | (i) Institutional-based therapy program (ITP) () (ii) ITP plus a structured home activity program (HAPs) () | (i) ITP for 45 minutes per session/12 weeks (ii) ITP 30 minutes with 15 minutes of HAPs per session/12 weeks | Comprehensive Developmental Inventory for Infants and Toddlers | Early intervention programs are helpful for these children. |
van Dongen-Boomsma et al. [24] | RCT | 5 | 5–7-year-old children with attention-deficit/hyperactivity disorder | (i) Visuospatial working memory group () (ii) placebo group () | 15 minutes/5 days a week/25 sessions | Behavior Rating Inventory of Executive Function | No significant treatment effect on any of the primary or other secondary outcome measurements was found. |
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