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Collins, Linda M.; Dent, Clyde W. – 1985
Because health behavior is often concerned with dynamic constructs, a longitudinal approach to measurement is needed. The Longitudinal Guttman Simplex (LGS) is a measurement model developed especially for dynamic constructs exhibiting cumulative, unitary development measured longitudinally. Data from the Television Smoking Prevention Project, a…
Descriptors: Adolescents, Data Analysis, Drug Abuse, Health Behavior
Johnson, Helen L.; Rosen, Tove S. – 1986
The study compared maternal and trained observer evaluations of infant temperamental characteristics, to determine how closely the ratings correspond, and to analyze the impact of maternal drug abuse habits on maternal ratings of infant temperament. In relating observer to maternal ratings of infant temperament, seven dimensions were compared:…
Descriptors: Child Rearing, Drug Abuse, Infant Behavior, Infants