Note on ϕ/ϕmax
- 1 March 1959
- journal article
- research article
- Published by Cambridge University Press (CUP) in Psychometrika
- Vol. 24 (1) , 89-91
- https://doi.org/10.1007/bf02289765
Abstract
Formulas are given for a descriptive statistic related to the fourfold-point correlation but having always-attainable limits ±1.Keywords
This publication has 1 reference indexed in Scilit:
- The Factorial Interpretation of Test DifficultyPsychometrika, 1941