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Test Item Difficulty and the Reliability of Item Analysis Methods

โœ Scribed by Adams, James F.

Book ID
127177704
Publisher
Heldref Publishing
Year
1960
Tongue
English
Weight
413 KB
Volume
49
Category
Article
ISSN
0022-3980

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โœ Harold Gulliksen ๐Ÿ“‚ Article ๐Ÿ“… 1945 ๐Ÿ› Springer ๐ŸŒ English โš– 676 KB

Under assumptions that will hold for the usual test situation, it is Laroved that test reliability and variance increase (a) as the average inter-Rein correlation increases, and (b) as the variance of the item difficulty distribution decreases. As the average item variance increases, the test varian