Twin factor mixture modeling was used to identify temperament profiles while simultaneously estimating a latent factor model for each profile with a sample of 787 twin pairs (M[subscript age] = 7.4 years, SD = 0.84; 49% female; 88.3% Caucasian), using mother- and father-reported temperament. A four-profile, one-factor model fit the data well.…

This study examined whether item overlap, or measurement confounding, accounts for the correlation between temperament and behavior problem symptoms in children. Experts rated items on Children's Behavior Questionnaire and Preschool Behavior Questionnaire for their fit to both constructs, and then these items were factor analyzed with longitudinal…

Assessed the possible confounding of preadolescents' temperament as a predictor of psychological adjustment, using confirmatory factor analysis (CFA) and expert ratings. CFAs demonstrated that temperament could be reliably measured after eliminating overlapping items. Negative emotionality and impulsivity were negatively related to symptom…

Personality structure, as measured by the Preschool Personality Questionnaire, was studied in preschool children. Two studies are reported which discuss factor analysis, including the ability factors of the PSPQ. (ST)

The Children's Personality Questionnaire was used to classify 10-12-year-old children into high-and-low stable groups. Factor analysis for the two groups revealed separate factor structures. (ST)

A study of 287 kindergartners, who were retested in second grade, indicated that two major factor dimensions jointly account for much of the social-emotional behavior of children and are relatively stable personality dimensions. (ST)

Attempts to achieve a relatively comprehensive empirical description of the mother-infant relationship at the age of six months, with special focus on possible correlates of infant developmental competence. One hundred and sixty-eight mother-infant pairs contributed data on a wide variety of measures. (Author/RH)

Factor analysis of 25 rating scales from Bayley's infant behavior record were performed for a sample of about 300-400 infant twins tested one or more times between 3 and 24 months of age. The analyses provided five major and two minor factors that were considerably consistent at all ages. (Author/DB)