An Analysis of Individual Patterns of DQ and IQ Curves from 6 Months to 17 Years.

Hindley, C. B.; Owen, C. F.

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Peer reviewed

ERIC Number: EJ218974

Record Type: Journal

Publication Date: 1979-May

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An Analysis of Individual Patterns of DQ and IQ Curves from 6 Months to 17 Years.

Hindley, C. B.; Owen, C. F.

British Journal of Psychology, v70 pt2 p273-93 May 1979

The case is made for basing analysis of longitudinal data on each subject's curve of scores. In this analysis of IQ scores from a longitudinal study, fitted curves yielded significant error reduction, rendering untenable the doctrine of IQ constancy. A visual method of curve classification is also presented. (Author/SJL)

Descriptors: Adolescents, Age Differences, Analysis of Variance, Child Development, Children, Classification, Growth Patterns, Individual Differences, Intelligence Quotient, Longitudinal Studies, Research Tools

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

Sponsor: N/A

Authoring Institution: N/A

Identifiers - Assessments and Surveys: Developmental Quotient

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