Identity is a critical developmental task during the transition to adulthood in Western societies. The purpose of the present study was to evaluate an empirically based, cluster-analytic identity status model, to examine whether all four of Marcia's identity statuses (diffusion, foreclosure, moratorium, and achievement) would emerge empirically, and to identify different patterns of identity formation among American college-attending emerging adults. An ethnically diverse sample of 9,034 emerging-adult students (73% female; mean age 19.73 years) from 30 U.S. universities completed measures of identity exploration (ruminative, in breadth, and in depth) and commitment (commitment making and identification with commitment), identity synthesis and confusion, positive and negative psychosocial functioning, and health-compromising behaviors. The identity status cluster solution that emerged provided an adequate fit to the data and included all four of Marcia's original identity statuses, along with Carefree Diffusion and Undifferentiated statuses. Results provided evidence for concurrent validity, construct validity, and practical applicability of these statuses. Implications for identity research are discussed.

The current investigation examined the psychometric properties of Grasmick et al.'s self-control measure and its relationship with deviance on large, representative adolescent samples ( N = 8,417) from Hungary, the Netherlands, Switzerland, and the United States. Important findings indicate that (1) the self-control measure is multidimensional; (2) the self-control measure is tenable for males, females, five different age groups (15-, 16-, 17-, 18-, and 19-year-olds), and adolescents from four different countries; (3) deviance as assessed by the Normative Deviance Scale (NDS) can be reliably measured in different countries; (4) self-control accounts for 10 to 16 percent of the total variance explained in different types of deviance and for 20 percent in total deviance; and (5) developmental processes involving self-control and deviance are largely invariant by national context. The investigation provides further support for the multidimensional self-control measure and its relationship with deviance independent of national context.

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Many studies adduce evidence of ethnic or racial dissimilarities in developmental outcomes (e.g., delinquency and achievement). Many researchers fail to distinguish between group average levels and developmental processes (correlations). Evidence is reviewed that developmental processes are nearly identical for U.S. Black, Hispanic, White, and Asian ethnic and racial groups. Using diverse and representative data sources, covariance matrices were computed for these ethnic groups and then compared by using a LISREL goodness-of-fit test. Not only were these matrices nearly identical but they also were no less alike than covariance matrices computed from random halves within 1 ethnic or racial group. This article documents the importance of accepting ethnic and racial similarity of developmental processes. Thus, group average level differences may result from different levels of developmental antecedents working through common developmental pathways.

The current study tested a set of interrelated theoretical propositions based on self-control theory (M. R. Gottfredson & T. Hirschi 1990). Data were collected on 1,155 children at 4.5 years, at 8.5 years (3rd grade), and at 10.5 years (5th grade) as part of the National Institute of Child Health and Human Development longitudinal study over a 6-year period. Findings based on simple structural equation models and latent growth modeling of developmental trajectories suggest that (a) there was great construct stability of self-control and deviance over the 6-year period, (b) there was positive growth in self-control trajectory over time, (c) parenting predicted this trajectory but also explained variability in self-control at initial status, (d) there was a declining deviance trajectory over time, (e) self-control at initial status reduced the unexplained deviance variance by 44.8%, and (f) both the intercept and slope factors shared about 75% of the variance based on growth-to-growth curve predictive models of self-control and deviance. Findings are discussed in terms of their implications for self-control theory and future empirical work.