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Peer reviewedDixon, James A. – Developmental Psychology, 1998
Suggests that testing developmental ordering hypotheses is difficult because rare use of ratio scales prevents direct comparison of measures. Demonstrates that the observed data pattern is constrained by the underlying relationship--although observed data pattern may not reflect the exact relationship, it limits possible relationships. Shows the…
Descriptors: Child Development, Data Analysis, Developmental Psychology, Hypothesis Testing
Direct linkWinneke, Gerhard; Walkowiak, Jens; Kramer, Ursula – Psychology in the Schools, 2004
This paper comments on a critical review of cohort studies on PCB-related neurodevelopmental deficit in young children by D.V. Cicchetti, A.S. Kaufman, and S.S. Sparrow (CKS). Major points of criticism of CKS, namely alleged violation of statistical principles, presumed lack of clinical significance of findings, and alleged insufficient control of…
Descriptors: Epidemiology, Criticism, Statistical Inference, Validity
