ERIC Number: ED245000
Record Type: RIE
Publication Date: 1984-Apr
Reference Count: 0
A Simplified Program for Detecting Item Bias and Its Application to a Spatial Visualization Test.
Jones, Martha S.; Vredevoogd, Janet
This study was designed to determine item bias by sex on a test of spatial visualization administered to middle school students. Two chi square techniques were used to assess item bias: the Scheuneman C2 and the Camilli chi square. The direction of bias was indicated by assigning positive signs to the chi square components contributed by one group and negative signs to the other. A computer program to carry out the chi square bias detection techniques was written in FORTRAN 5 to run on a Cyber 750 computer. The program permitted the user to vary the total number of subjects, items, and status groups. The Camilli method usually identified more items as biased than did the Scheuneman method. It tended to place items at a lower probability level. The chi square item bias techniques were shown to have potential for small scale test users and were particularly suitable for mastery and criterion-referenced tests. (DWH)
Publication Type: Speeches/Meeting Papers; Reports - Research
Education Level: N/A
Authoring Institution: N/A
Identifiers: Chi Square Analysis
Note: Paper presented at the Annual Meeting of the American Educational Research Association (68th, New Orleans, LA, April 23-27, 1984). Computer printout contains small print.