The narrative and dual-cycle approach conceptualize and operationalize adolescents' identity formation in different ways. While the narrative approach focuses on the construction of an autobiographical life story, the dual-cycle approach focuses on the formation of identity commitments. Although these approaches have different emphases, they are conceptually complementary. Yet, their empirical links and distinctions have only scarcely been investigated. Empirical knowledge on these links in adolescence and across time has been especially lacking. In the present research, it was therefore examined whether key characteristics of adolescents' narration (autobiographical reasoning and agency) were concurrently and prospectively related to engagement in the dual-cycle processes of commitment making, identification with commitment, exploration in breadth, exploration in depth, and ruminative exploration. The findings from a cross-sectional sample of 1,580 Dutch adolescents (M age = 14.7 years, 56% female) demonstrated that autobiographical reasoning was significantly positively associated with the commitment and more adaptive exploration processes (i.e., in breadth and in depth). In addition, agency was significantly positively associated with the commitment processes and exploration in depth. Yet, these associations between the narrative characteristics and dual-cycle processes were only weak. Subsequently, the findings from a two-year longitudinal subsample (n = 242, M age = 14.7 years, 62% female) indicated that on average commitment strength remained stable but exploration increased across middle adolescence. A stronger increase in identification with commitment and adaptive exploration (i.e., in breadth and in depth) was predicted by a higher degree of agency in adolescents' narratives. Overall, these findings indicate that both approaches to identity formation are associated, but the small size of these associations suggests that they predominantly capture unique aspects of identity formation. Both approaches could thus complement and inform each other.

Abstract. Studies on identity formation focus on various components of identity. However, these components have mainly been studied separately, and researchers in different fields are not always aware of each other’s work. Therefore, this systematic review provides an overview of theories and empirical studies on three key components of identity: distinctiveness (seeing the self as unique and distinct from others), coherence (perceiving the self as similar across life domains), and continuity (perceiving the self as the same person over time). This systematic review focused on the development of these components and linkages with psychosocial functioning. Findings suggest important differences between the three identity components. Therefore, we propose an integrative developmental framework of identity, including all three identity components and their linkages.

The formation of a stable identity, consisting of a strong set of commitments, is a key developmental task in adolescence and young adulthood. Not resolving this task and lacking strong identity commitments is related to difficulties like depressive symptoms and stressful life events. However, the exact role of identity commitments in these negative experiences has remained unclear. In two longitudinal studies in the Netherlands spanning 8 and 6 years, respectively, we examined the associations between career and interpersonal commitments, depressive symptoms, and the number of experienced stressful life events over time. Study 1 included 683 adolescents (11 to 15 years at T1) and 268 adolescents and young adults (16 to 20 years at T1). Study 2 included 960 adolescents (12 to 17 years at T1) and 944 young adults (18 to 24 years at T1). Both studies indicated that stronger identity commitments predicted relative decreases in negative experiences. In Study 2, stronger interpersonal commitments predicted relative decreases in depressive symptoms. In both studies, stronger career commitments predicted a relative decrease in stressful life events. Furthermore, only career commitments weakened after negative experiences. Interpersonal commitments did not weaken after negative experiences, possibly because of the importance of interpersonal relationships during difficult times. Moreover, identity commitments did not buffer the effect of stressful life events on depressive symptoms in either study. These findings underscore the importance of identity commitments in adolescence and young adulthood, but provide crucial nuances regarding their role in different life domains. (PsycINFO Database Record

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This 4-year longitudinal study examined over-time associations between adolescents' educational identity, perceived best friends' balanced relatedness, and best friends' educational identity. Adolescents (N = 464, Mage = 14.0 years at baseline, 56.0% males, living in the Netherlands) and their self-nominated best friends reported on their educational commitment, in-depth exploration, and reconsideration. Target adolescents also reported on the level of balanced relatedness provided by their best friend. Cross-lagged panel models showed that balanced relatedness significantly predicted adolescents' reconsideration, and was predicted by in-depth exploration and, in an inconsistent pattern, by commitment. Best friends' educational identity did not positively predict adolescents' educational identity. Perceiving a best friend as high on balanced relatedness seems to reduce adolescents' problematic educational reconsideration, while, in turn, adaptive educational identity processes might foster balanced relatedness.

Individual distinctiveness is theorized to characterize an adaptive identity, but its importance remained underexplored. In two studies, we investigated the nomological networks of two common conceptualizations of distinctiveness: general and comparative distinctiveness. We compared these to the network of identity formation’s best-validated marker: commitment. Findings from two samples of young adults living in the Netherlands (n = 320) and in the US (n = 246) both revealed that general distinctiveness marked adaptive identity formation and greater psychosocial well-being. Moreover, general distinctiveness had unique predictive value over commitment strength. Comparative distinctiveness from important others uniquely indicated lowered social well-being. Our findings illustrate that careful attention should be paid to the conceptualization of distinctiveness, because distinctiveness is an important but complex concept.

Narrative identities are not only a product of lived experiences, but also predict new experiences and developmental outcomes over time. In this study, we examined whether the characteristics of students' narratives about a previous turning point in their lives predicted self-esteem and life satisfaction during their education-to-work transition. We examined predictions of trait change and of stability in state self-esteem and life satisfaction in daily life. Students (aged 24 years on average) in diverse master's programs in the Netherlands who expected to graduate before the end of the study took part in an 8-month longitudinal (n = 216) and 14-day diary (n = 192) part of the study. Our findings show that more agentic and redemptive turning point narratives did not predict significant change in trait self-esteem and life satisfaction during the next 8 months of the transition. Narrative agency and redemption were no consistent significant predictors of higher day-today stability in state self-esteem and life satisfaction. Yet, higher levels in narrative agency tended to be associated with higher stability in daily selfesteem. Our findings show promising possibilities to further examine how and when the characteristics of people's narratives relate to the development and stability of psychological adjustment.

The formation of a stable identity, consisting of a strong set of commitments, is a key developmental task in adolescence and young adulthood. Not resolving this task and lacking strong identity commitments is related to difficulties like depressive symptoms and stressful life events. However, the exact role of identity commitments in these negative experiences has remained unclear. In two longitudinal studies in the Netherlands spanning eight and six years, respectively, we examined the associations between career and interpersonal commitments, depressive symptoms, and the number of experienced stressful life events over time. Study 1 included 683 adolescents (11 to 15 years at T1) and 268 adolescents and young adults (16 to 20 years at T1). Study 2 included 960 adolescents (12 to 17 years at T1) and 944 young adults (18 to 24 years at T1). Both studies indicated that stronger identity commitments predicted relative decreases in negative experiences. In Study 2, stronger interpersonal commitments predicted relative decreases in depressive symptoms. In both studies, stronger career commitments predicted a relative decrease in stressful life events. Furthermore, only career commitments weakened after negative experiences. Interpersonal commitments did not weaken after negative experiences, possibly because of the importance of interpersonal relationships during difficult times. Moreover, identity commitments did not buffer the effect of stressful life events on depressive symptoms in either study. These findings underscore the importance of identity commitments in adolescence and young adulthood, but provide crucial nuances regarding their role in different life domains.