Descriptor
Source
Author
| Tomsic, Margie L. | 1 |
Publication Type
| Reports - Research | 2 |
| Speeches/Meeting Papers | 1 |
Education Level
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| Researchers | 2 |
| Policymakers | 1 |
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| District of Columbia | 1 |
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| Comprehensive Tests of Basic… | 2 |
What Works Clearinghouse Rating
Institute for Independent Education, Inc., Washington, DC. – 1990
Median test scores on the Comprehensive Tests of Basic Skills (CTBS) for many District of Columbia public schools declined substantially in 1990, although this decline was not evident in reports from school officials. These declines occurred at elementary, junior high, and senior high school levels, in grades 6, 9, and 11, respectively. They also…
Descriptors: Achievement Tests, Basic Skills, Ethnic Distribution, Scores
Tomsic, Margie L.; And Others – 1987
Extended caution indices (ECI) specify the degree of confidence that can be placed in an individual's test score by analyzing patterns of item response. Among the most promising of such indices are the standardized ECIs. Contrary to the literature, several instances were found, in a previous study, of nonnormal distributions of ECIs with samples…
Descriptors: Achievement Tests, Elementary Education, Goodness of Fit, Latent Trait Theory
