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Evolution, Stress, and Sensitive Periods: The Influence of Unpredictability in Early versus Late Childhood on Sex and Risky Behavior
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Simpson, Jeffry A.; Griskevicius, Vladas; Kuo, Sally I-Chun; Sung, Sooyeon; Collins, W. Andrew – Developmental Psychology, 2012
According to a recent evolutionary life history model of development proposed by Ellis, Figueredo, Brumbach, and Schlomer (2009), growing up in harsh versus unpredictable environments should have unique effects on life history strategies in adulthood. Using data from the Minnesota Longitudinal Study of Risk and Adaptation, we tested how harshness…
Descriptors: Sexuality, Children, Environmental Influences, Child Development
Children's Context Inappropriate Anger and Salivary Cortisol
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Locke, Robin L.; Davidson, Richard J.; Kalin, Ned H.; Goldsmith, H. Hill – Developmental Psychology, 2009
Some children show emotion that is not consistent with normative appraisal of the context and can therefore be defined as context inappropriate (CI). The authors used individual growth curve modeling and hierarchical multiple regression analyses to examine whether CI anger predicts differences in hypothalamic-pituitary-adrenal axis activity, as…
Descriptors: Psychological Patterns, Young Children, Preadolescents, Gender Differences
Adolescents' Occupational and Educational Aspirations and Expectations: Links to High School Activities and Adult Educational Attainment
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Beal, Sarah J.; Crockett, Lisa J. – Developmental Psychology, 2010
This longitudinal study explored adolescents' future-oriented cognitions, current activities, and later educational attainment using data from 317 adolescents (55% female; mean age = 14.98 years, SD = 0.85) followed into early adulthood. Aspirations and expectations regarding work and education showed modest stability from year to year.…
Descriptors: Extracurricular Activities, Educational Attainment, Academic Aspiration, Adolescents
Differences between Children and Adults in the Recognition of Enjoyment Smiles
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Del Giudice, Marco; Colle, Livia – Developmental Psychology, 2007
The authors investigated the differences between 8-year-olds (n = 80) and adults (n = 80) in recognition of felt versus faked enjoyment smiles by using a newly developed picture set that is based on the Facial Action Coding System. The authors tested the effect of different facial action units (AUs) on judgments of smile authenticity. Multiple…
Descriptors: Models, Age Differences, Children, Adults