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OF THE THESIS AN INVESTIGATION OF THE EFFECTS OF A SCHOOL-BASED INTERVENTION ON FEELINGS OF PERSONAL EXPRESSIVENESS IN MULTI-PROBLEM ADOLESCENT YOUTH by Richard E. Albrecht Florida International University, 2005 Miami, Florida Professor William M. Kurtines, Major Professor This study was conducted to determine the effects of the Changing Lives Program intervention on troubled adolescents' feelings of personal expressiveness, believed to be one domain of positive identity development. Forty-three intervention and twenty nonintervention comparison control participants were given a battery of pre-, post-, and follow-up assessments including the Personally Expressive Questionnaire (Waterman, 1995), which was used to derive participants' feelings of personal expressiveness scores. Using Repeated Measures Analysis of Multivariate Analysis (RMANOVA), a significant four-way interaction of Time X Condition X Gender X Ethnicity was found relative to the Control, Roy's 0 = .166, F(2,47) = 3.899, p < .027 indicating that intervention participants' feelings of personal expressiveness did increase significantly relative to the control group. Furthermore, the results suggest differential outcomes based on ethnicity, suggesting the need for future study with respect to specificity of effects and mechanisms of identity formation in differing ethnic subgroups.

An investigation of the effects of a school-based intervention on feelings of personal expressiveness in multi-problem adolescent youth