EVALUATING RESULTS OF COLLAPSING RESPONSE CATEGORIES

This note describes a quantitative method for evaluating the number of categories used in individual items in data collection instruments. A measure of the proportion of information retained using alternative response formats is presented. This measure can be used with pretest data to detect and del...

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Bibliographic Details
Published in:Social science quarterly 1987-03, Vol.68 (1), p.197-201
Main Authors: GRANEY, Marshall J., BAXTER, Rodney K.
Format: Article
Language:English
Subjects:
Computer Assisted Research
Data sampling
Evaluation
Information value
Measures (Instruments)
Methodology
Methodology (Data Collection)
Proportions
Quantitative Methods
Research Notes
Social demonstrations
Social science
Validity
Variable coefficients
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Description
Summary:This note describes a quantitative method for evaluating the number of categories used in individual items in data collection instruments. A measure of the proportion of information retained using alternative response formats is presented. This measure can be used with pretest data to detect and delete superfluous response categories. The method is demonstrated using widely available computer software.
ISSN:0038-4941
1540-6237