Descriptor
| Analysis of Covariance | 1 |
| Analysis of Variance | 1 |
| Comparative Analysis | 1 |
| Factor Analysis | 1 |
| Psychometrics | 1 |
| Scores | 1 |
| Statistical Inference | 1 |
| Statistical Studies | 1 |
| Test Items | 1 |
| Test Reliability | 1 |
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| Woodruff, David | 1 |
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| Reports - Evaluative | 1 |
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Download full textWoodruff, David – 1993
Two analyses of variance (ANOVA) models for item scores are compared. The first is an items by subject random effect ANOVA. The second is a mixed effects ANOVA with items fixed and subjects random. Comparisons regarding reliability, Cronbach's alpha coefficient, psychometric inference, and inter-item covariance structure are made between the…
Descriptors: Analysis of Covariance, Analysis of Variance, Comparative Analysis, Factor Analysis
