Descriptor
| Statistical Analysis | 1 |
| Statistics | 1 |
| Test Reliability | 1 |
| Tests | 1 |
Source
| Educ Psychol Meas | 1 |
Author
| Zimmerman, Donald W. | 1 |
Publication Type
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Zimmerman, Donald W. – Educ Psychol Meas, 1970
Results of this study indicate that the correlation between half-test scores over repeated splits, over persons, and over repeated testings resulting in different sets of observed scores, is given by Kuder-Richardson Formula 21. (RF)
Descriptors: Statistical Analysis, Statistics, Test Reliability, Tests
