The Effect of Bias Due to Difficulty Factors in Product-Moment Item Intercorre-Lations on the Accuracy of Estimation of Reliability by the Kuder-Richardson Formula Number 20
- 1 December 1946
- journal article
- research article
- Published by SAGE Publications in Educational and Psychological Measurement
- Vol. 6 (4) , 517-520
- https://doi.org/10.1177/001316444600600408
Abstract
No abstract availableThis publication has 6 references indexed in Scilit:
- Maximum Validity of a Test with Equivalent ItemsPsychometrika, 1946
- Factor Pattern of Test Items and Tests as a Function of the Correlation Coefficient: Content, Difficulty, and Constant Error FactorsPsychometrika, 1944
- The Concept of Test and Item Reliability in Relation to Factor PatternPsychometrika, 1943
- The Factorial Interpretation of Test DifficultyPsychometrika, 1941
- The Theory of the Estimation of Test ReliabilityPsychometrika, 1937