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Parade, Stephanie H.; Dickstein, Susan; Schiller, Masha; Hayden, Lisa; Seifer, Ronald – International Journal of Behavioral Development, 2015
The current study examined the stability of temperament over time. Observers and mothers rated child behavior at eight timepoints across three assessment waves (8, 15, and 30 months of age). Internal consistency reliability of aggregates of the eight observer reports and eight mother reports were high. When considering single timepoint…
Descriptors: Child Behavior, Infants, Toddlers, Age Differences