Descriptor
| Error of Measurement | 1 |
| Measurement Instruments | 1 |
| Reliability | 1 |
| Statistical Analysis | 1 |
| Statistical Studies | 1 |
| Tables (Data) | 1 |
| Tests | 1 |
Source
| Journal of Educational… | 1 |
Author
| McMorris, Robert F. | 1 |
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Peer reviewedMcMorris, Robert F. – Journal of Educational Measurement, 1972
Approximations were compared with exact statistics obtained on 85 different classroom tests constructed and administered by professors in a variety of fields; means and standard deviation of the resulting differences supported the use of approximations in practical situations. (Author)
Descriptors: Error of Measurement, Measurement Instruments, Reliability, Statistical Analysis
