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153426 https://hdl.handle.net/2286/R.I.29690 http://rightsstatements.org/vocab/InC/1.0/ All Rights Reserved 2015 xi, 99 pages : illustrations Doctoral Dissertation Academic theses Text eng Rodríguez De Jesús, Sue Annie Updegraff, Kimberly A Bradley, Robert H Iida, Masumi Umaña-Taylor, Adriana J. Arizona State University Partial requirement for: Ph. D., Arizona State University, 2015 Includes bibliographical references (pages 73-85) Field of study: Family and human development Siblings are a salient part of family life; however, few studies have explored the role of siblings on youths' cultural development and educational expectations. In the current dissertation, two studies address this gap in the literature by using longitudinal data from 246 Mexican-origin sibling pairs and their mothers and fathers. The first study examined how older siblings' cultural orientations and values uniquely contribute to younger siblings' cultural orientations and values from late adolescence to young adulthood, after accounting for mothers' and fathers' cultural orientations and values; further, it was explored the role of sibling modeling and sibling characteristics as moderators of these associations. Findings revealed that older siblings' cultural orientations and values contribute to younger siblings' cultural orientations and values from late adolescence into young adulthood. Specifically, under conditions of high sibling modeling, younger siblings reported higher levels of Anglo orientation and familism values. Whereas, fathers' orientations were positively associated with younger siblings' Anglo and Mexican orientations and mothers' values were predictive of younger siblings' familism values. Together, the findings suggest that siblings and parents play different roles in youths' cultural development. <br/><br/>The second study explored the reciprocal associations between older and younger siblings' educational expectations from early/middle adolescence to middle/late adolescence and from middle/late adolescence to young adulthood. In this study it was tested the moderating role of family immigrant context and sibling characteristics in the association between older and younger siblings' educational expectations. Findings revealed that older siblings' educational expectations at T1 predicted younger siblings' educational expectations at T2. Further, older siblings' educational expectations at T2 continued to influence younger siblings' educational expectations at T3, and younger siblings' educational expectations at T2 also predicted older siblings' educational expectations at T3. Family immigrant context moderated the association from older siblings' educational expectations at T2 to younger siblings' educational expectations at T3, such that the association was significant for immigrant-born families, but not for U.S.-born/Mixed-status families. Our study highlights the value of siblings' roles, particularly in immigrant families, as youth make important decisions about their educational pursuits. Psychology Mexican American youth--Psychology. Mexican American youth Brothers and sisters--Psychology. Brothers and sisters Mexican American families--Psychology. Mexican American families Mexican American families--Ethnic identity. Mexican American families The role of Mexican American siblings in adolescence and young adulthood