Descriptor
| Adolescents | 1 |
| Age Differences | 1 |
| Analysis of Variance | 1 |
| Child Development | 1 |
| Children | 1 |
| Classification | 1 |
| Growth Patterns | 1 |
| Individual Differences | 1 |
| Intelligence Quotient | 1 |
| Longitudinal Studies | 1 |
| Research Tools | 1 |
| More ▼ | |
Author
| Hindley, C. B. | 1 |
| Owen, C. F. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Research | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
| Developmental Quotient | 1 |
What Works Clearinghouse Rating
Peer reviewedHindley, C. B.; Owen, C. F. – British Journal of Psychology, 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
