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ERIC Number: ED079402
Record Type: RIE
Publication Date: N/A
Pages: 5
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
The Issue of Item and Test Variance for Criterion-Referenced Tests.
Woodson, M. I. Charles E.
It has been argued that item variance and test variance are not necessary characteristics for criterion-referenced tests, although they are necessary for norm-referenced tests. This position is in error because it considers sample statistics as the criteria for evaluating items and tests. Within a particular sample, an item or test may have no variance, but in the population for which the test was designed and evaluated, both items and tests must have variance. (Author)
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Education Level: N/A
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