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The objective is to develop and test dimensionality and validity of a new measure of five mentoring intervention processes drawn from emphases across prior mentoring efforts that might be the basis for effects: identification with the mentor, social and emotional support, teaching and education, and advocacy, and shared time and activity. Partial validation of value was drawn from moderation role in a meta‐analysis of mentoring (Tolan, Henry, Lovegrove, Schoeny, & Nichols, 2014. J. Exp. Criminol., 10, 179–201). Data collected of candidate items completed by 740 mentors and 302 mentees (mean age = 16.59 years) were subjected to confirmatory factor analyses based on the five theorized dimensions. Scales derived from best‐fitting solutions were examined for convergent validity in relation to other indicators of mentoring relationship qualities. A bifactor model with five specific factors was supported for adult mentor reports while a simplified single factor model fit youth reports. Correlations between derived scale scores and validity indicators of mentoring relationship qualities were consistent with expectations. Multiple activities that comprise mentoring can be identified in adult mentor reports but not youth reports. This scale provides a promising basis for testing how variation in emphasis during mentoring affects impact and help guide training emphases.

This dissertation explored the impact of a body acceptance intervention program, The Body Project (Stice, Shaw, Burton, & Wade, 2006) and sought to describe the processes of such impact and to describe hypothesized indirect intervention effects on the friends of participants using a sample of college females. Intervention participant interview and survey data were utilized to attempt to replicate findings from past trials of the Body Project and to apply mixed methods to summarize participants' experiences prior to, during, and after the intervention. Intervention participants' peers provided data to describe potential impact of the intervention on peers of participants. Beneficial intervention effects found in previous evaluations were replicated in the current study with the intervention reducing expressed fat talk concerns, dieting/restrained eating, and