This study set out to re-examine the effectiveness of study abroad programs in second language (L2) acquisition through a multi-level meta-analysis. Overall, 42 primary studies published between 1995 and 2019 were identified, and in total 283 effect sizes were meta-analysed. This study implemented a three-level random effects model to account for…

Research has shown that young children's socio-emotional development may benefit from participating in a music programme. In this study, we explored the association between participation in a general music programme and the development of socio-emotional skills in relation to the duration of the programme. Children aged 4 and 5 (N=50), from a low…

The purpose of this study was to examine the effects of physical exercise programs on individuals with intellectual disabilities (ID). This meta-analysis analyzed 67 effect sizes and 14 studies and calculated the standardized mean difference in effect size. The unit of analysis for overall effects was the study, and the sub-group analysis focused…

This meta-analysis used hierarchical linear modeling to examine 115 single-case studies with 343 participants that examined the effectiveness of social skills interventions for individuals with autism spectrum disorder (ASD). The average effect size of the included studies was 1.40 (SD = 0.43, 95% CL = 1.32-1.48, N = 115). In the further, several…

Fifty-five studies of a variety of education interventions designed to stimulate development in moral judgment, which used the Defining Issues Test, are reviewed. Results are discussed in terms of general treatment effects, program type, exposure to Kohlberg's Theory, subject age, and treatment duration. (Author/BS)

This report is the fourth in a series of follow-up analyses of nine longitudinal studies addressing the costs and effectiveness of alternative types of early intervention for children with disabilities. An introduction provides an historical perspective and conceptual framework for the studies, including common study elements and how research…