Item Homogeneity Defined by Multivariate Symmetry
- 1 April 1981
- journal article
- research article
- Published by SAGE Publications in Applied Psychological Measurement
- Vol. 5 (2) , 263-269
- https://doi.org/10.1177/014662168100500213
Abstract
The concept of item homogeneity, implying that items have equal difficulties and equal intercorrela tions, is defined by multivariate axial symmetry. A nonparametric test for J-item homogeneity is pro posed and illustrated by a numerical example.Keywords
This publication has 2 references indexed in Scilit:
- A Test for Symmetry in Contingency TablesJournal of the American Statistical Association, 1948
- Note on the sampling error of the difference between correlated proportions or percentagesPsychometrika, 1947