An ANCOVA controlling for age, sex and institution found no significant effect of the ART intervention on change in self-reported competence scores¶

Claim · All claims
Evidence · 1 study · causal r2 · q2
Currency · newest study 2014 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? The overall ANCOVA with intervention, sex, age and institution as predictors showed no significant effect of the intervention, F(1.208) = 3.52, p = .062, and no significant effects of the other factors. → Koposov 2014

Evidence¶

Koposov 2014¶

Koposov, R., Gundersen, K. K. & Svartdal, F. (2014). Efficacy of Aggression Replacement Training among Children from North-West Russia. International Journal of Emotional Education, 6(1), 14-24. https://www.um.edu.mt/cres/ijee

q2 · i? · causal · r2

ANCOVA (GLM) on change in pre-post competence scores with intervention and sex as discrete and age and institution as continuous predictors in the same quasi-experiment. The intervention effect was marginal and non-significant; no effect size is printed.

"The analysis indicated no significant effect of the intervention, F (1.208) = 3.52, p = .062. Other st udied factors also indicated no significant effects."

Discussion¶

Related Claims¶

• ART effects on self-reported social competence are moderated by age, with reliable effects in the 6-9 and 10-14 groups but not among children aged 15 and older — reports the opposite
• The 30-hour ART programme is associated with a significant increase in children's self-reported overall social competence, with no change in the control group — reports the opposite