Descriptor
| Achievement Gains | 1 |
| Comparative Analysis | 1 |
| Computer Programs | 1 |
| Correlation | 1 |
| Measurement Techniques | 1 |
| Pretesting | 1 |
| Pretests Posttests | 1 |
| Simulation | 1 |
| Validity | 1 |
Source
| Journal of Educational… | 1 |
Author
| Richards, James M., Jr. | 1 |
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Peer reviewedRichards, James M., Jr. – Journal of Educational Psychology, 1976
Growth is estimated most accurately by procedures involving the pretest-posttest difference, and for practical purposes all estimates involving this difference have approximately equal accuracy. In particular, the simple difference between pretest and posttest scores seems about as accurate as any other estimate, easier to compute, and meaningful…
Descriptors: Achievement Gains, Comparative Analysis, Computer Programs, Correlation
