Related Experiment Video
Updated: Aug 18, 2026

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
Published on: July 10, 2017
A controlled evaluation of assertion training with adolescents
Abstract:
A controlled evaluation of an assertion training package for adolescent students is described. Adolescents who received the treatment were compared to adolescents who received a placebo-counseling program. Although there were no significant differences between the groups prior to the program, the students who received the assertion training treatment significantly improved their ratings on the Piers-Harris Children's Self-Concept Scale both at termination and at a one-month follow-up. No effects were found on a locus of control scale or an anxiety scale for either program.
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