The present study addresses a fundamental yet largely neglected question about personality development: To what extent are changes in parent personality traits associated with changes in their child's personality traits? Numerous developmental processes suggest that parent and child personality might have transactional associations over time, contributing to their codevelopment. This codevelopment may be homotypic (e.g.
View Article and Find Full Text PDFLoneliness is a pressing public health concern, particularly among adolescents and young adults. This preregistered study examined changes in time spent alone from 7th to 12th grade, as well as relationship and personality predictors of time spent alone in adolescence and loneliness in early adulthood, using data from a longitudinal study of 674 Mexican-origin youth in the United States, a rapidly growing yet understudied demographic. Time spent alone showed linear increases from 7th to 12th grade, with greater increases in time spent alone in high school for youth who spent a high proportion of time alone at the start of high school (9th grade).
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