D., NCSP Associate Professor Director MA and Psy. The Mini-Battery's scoring is done solely by computer, using the MBA Scoring and Reporting Computer Program. The manual does not contain any tables or charts of normative data. Factual Knowledge has a median reliability of .87, while the Cluster reliability is .93. Test-retest reliabilities range from .85 to .94 for subtests and from .94 to .97 for the Basic Skills Cluster.
Content validity is discussed as it relates to the content of the items used.
Concurrent validity was established using the same samples used for the test-retest studies. Patterns of subtest intercorrelations provide data for construct validity. The median correlations ranged from .65 to .80, indicating significant relationships among the subtests. The Reading section asks the examinee to identify letters and words, state antonyms for words, and answer questions based on paragraphs read. The Writing section asks the examinee to print letters, words, punctuation marks etc.