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| Academic Achievement | 1 |
| Academic Aptitude | 1 |
| Achievement Gains | 1 |
| Correlation | 1 |
| Knowledge Level | 1 |
| Learning | 1 |
| Mathematical Models | 1 |
| Predictor Variables | 1 |
| Retention (Psychology) | 1 |
| Task Analysis | 1 |
| Task Performance | 1 |
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| Harnqvist, Kjell | 1 |
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| Reports - Research | 1 |
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Harnqvist, Kjell – 1977
A model demonstrates how low correlations for academic achievement in separate units of instruction can be compatible with high correlations for cumulated achievement. The unit achievement is assumed to consist of a task-specific part and a part correlated with a predictor. When units of learning are cumulated, attrition of earlier learning takes…
Descriptors: Academic Achievement, Academic Aptitude, Achievement Gains, Correlation
