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Magnano, Catherine L.; And Others – Child Development, 1989
Findings indicate that high cortisol levels and interfering substances in formula and breast milk could contaminate salivary cortisol measurements in young infants. To insure accurate results, appropriate controls should be taken for salivary cortisol measurements of young infants. (RH)
Descriptors: Error of Measurement, Guidelines, Infants, Measurement Techniques
Peer reviewed Peer reviewed
Lemery, Kathryn S.; Essex, Marilyn J.; Smider, Nancy A. – Child Development, 2002
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…
Descriptors: Behavior Development, Behavior Problems, Children, Error of Measurement
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Assor, Avi; And Others – Child Development, 1990
Addresses three issues concerning the assessment of the overrating and underrating of academic competence: (1) the impossibility of separating effects of overrating and underrating from effects of perceived and actual competence; (2) the questionable validity of Connell and Ilardi's method; and (3) the proposal of a new method and its implications…
Descriptors: Academic Ability, Achievement Rating, Analysis of Variance, Children