Descriptor
| Aptitude Treatment Interaction | 1 |
| Grouping (Instructional… | 1 |
| Interaction Process Analysis | 1 |
| Mathematical Models | 1 |
| Predictor Variables | 1 |
| Research Methodology | 1 |
| Statistical Analysis | 1 |
Source
| American Educational Research… | 1 |
Author
| Cahen, Leonard S. | 1 |
| Linn, Robert L. | 1 |
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Peer reviewedCahen, Leonard S.; Linn, Robert L. – American Educational Research Journal, 1971
Johnson-Neyman, Potthoff, and Erlander and Gustavsson techniques for obtaining confidence regions for the difference between regression surfaces are compared. (DG)
Descriptors: Aptitude Treatment Interaction, Grouping (Instructional Purposes), Interaction Process Analysis, Mathematical Models
