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Psychology in the Schools

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Kramer, Ursula	1
Rice, Deborah C.	1
Walkowiak, Jens	1
Winneke, Gerhard	1

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Evidence for Neuropsychological Effects of PCBs in Environmental Studies: Getting Better All the Time

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Rice, Deborah C. – Psychology in the Schools, 2004

This invited response to the paper by D.V. Cicchetti, A.S. Kaufman, and S.S. Sparrow (CKS), and the responses by the investigative teams of the studies criticized by them, addresses specific errors of logic and interpretation by CKS, and integrates comments made by the study investigators. CKS provide a flawed analysis of the literature on the…

Descriptors: Validity, Psychomotor Skills, Child Health, Prenatal Influences

Strong Opinions Are No Substitute for Balanced Arguments: Comments on Cicchetti, Kaufman, and Sparrow's Critical Appraisal of PCB Cohort Studies

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Winneke, 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