Aggressive behaviors in 5 year old girls and boys

The present research work was quantitative in approach, the type of research is applied, of quasi-experimental design with two groups with pre- and post-test, it evaluates the effect of the application of the game in the aggressive behavior of 5-year-old children of the Alexander Graham Bell I.E.P. of the district of Comas. A purposive sample of 20 children of both sexes, with considerable degrees of aggressive behavior according to the classroom teacher's report, was selected; 10 children from one classroom were considered for the experimental group (EG) and another 10 children from another classroom for the control group (CG). An ad hoc design of the Aggressive Behavior Checklist was used and its metric properties were checked for adequacy in terms of reliability (internal consistency of 0.91 with the KR-20 formula) and content and construct validity.