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A Comparison of Various Item Option Weighting Schemes

Author(s):
Echternacht, Gary J.
Publication Year:
1973
Report Number:
RB-73-06, GREB-71-17P (1973)
Source:
ETS Research Bulletin
Document Type:
Report
Page Count:
18
Subject/Key Words:
Graduate Record Examinations Board, Item Analysis, Scoring, Scoring Formulas, Test Construction, Weighted Scores

Abstract

This study compares various item option scoring methods with respect to coefficient alpha and a concurrent validity formula scoring; (2) a priori scoring; (3) empirical scoring with an internal criterion; and (4) two modifications of formula scoring. The study indicates a clear superiority of the empirically determined scoring system with respect to both coefficient alpha and the concurrent validity. (Author) (18pp.)

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