Effects of an Assertiveness Program in adolescents of a Private Educational Institution of Ventanilla - Callao

Abstract

This research concerns the effects of an assertiveness program in 40 adolescents, between 11 to 17 years old, from 1st to 5th year of high school of a Private Educational Institution of Ventanilla - Callao. The study was exploratory, quasi-experimental; the Self-report Inventory of Assertive Behavior ADCA-1 was used. The results of the test - retest showed changes in the assertiveness of all participants with Pearson X2r = 4.568 and significance of p<, 033, as well as in 1st-year students with Wilcoxon Z = -2.278 and p<, 023, and in 13-year-old adolescents with Z = -2.023 p<, 043; (being insignificant in the 2nd, 3rd, 4th and 5th year, like in 12, 14 and 15 year-old adolescents). There are no significant posttest changes, according to sex and family type, analyzed using Mann-Whitney U test. Therefore, it is concluded that the program has been effective in developing assertiveness of the analyzed group, with different implications according to its characteristics.