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Estimation of Test Item Difficulty by Averaging Highest and Lowest Quarter Performance Compared With Total Population Count 1

Educational and Psychological Measurement

Impact Factor: 4.4 / 5-Year Impact Factor: 4.5

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First published online March, 1947

Estimation of Test Item Difficulty by Averaging Highest and Lowest Quarter Performance Compared With Total Population Count 1

Volume 7, Issue 1

https://doi.org/10.1177/001316444700700114

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