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Heckman, James J.; Karapakula, Ganesh – National Bureau of Economic Research, 2019
This paper presents the first analysis of the life course outcomes through late midlife (around age 55) for the participants of the iconic Perry Preschool Project, an experimental high-quality preschool program for disadvantaged African-American children in the 1960s. We discuss the design of the experiment, compromises in and adjustments to the…
Descriptors: Experimental Programs, African Americans, Males, Adolescents
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van Eijck, Fenna E. A. M.; Branje, Susan J. T.; Hale, William W., III; Meeus, Wim H. J. – Journal of Abnormal Child Psychology, 2012
This longitudinal study examined the direction of effects between adolescents' generalized anxiety disorder (GAD) symptoms and perceived parent-adolescent attachment relationship quality, as well as the moderating role of gender and age. 1,313 Dutch adolescents (48.5% boys) from two age cohorts of early (n = 923, M[subscript age] = 12 at W1) and…
Descriptors: Anxiety Disorders, Attachment Behavior, Questionnaires, Adolescents
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Kuhns, L. M.; Vazquez, R.; Ramirez-Valles, J. – Health Education Research, 2008
Few studies have sought to assess predictors of retention of racial/ethnic or sexual minorities in longitudinal health research. The purpose of this study is to investigate predictors of retention of Latino gay and bisexual men and transgender (GBT) research participants after the baseline interview. Data come from a sample of 643 Latino GBT…
Descriptors: Homosexuality, Urban Population, Males, Predictor Variables
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Lytton, Hugh; And Others – Child Study Journal, 1988
A sample of twin boys and their mothers was followed up from age 2 to age 9. Mothers' responses to interview questions were compared across these two ages in order to assess mothers' perceptions of continuity or change in given behaviors. Results indicated substantial continuity in mothers' reports of the presence or absence of given behaviors.…
Descriptors: Age Differences, Attachment Behavior, Behavior Change, Comparative Analysis