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ERIC Number: ED423259
Record Type: Non-Journal
Publication Date: 1998-Apr
Pages: 22
Abstractor: N/A
Reference Count: N/A
Person Fit and Its Relationship with Other Measures of Response Set.
Swearingen, Dorothy L.
When response set is present, instead of responding to the intent of the question, the subject appears to be responding to a variable emanating from some personal characteristic. This threat to measurement reliability and validity warrants investigation of the source of response set so that questionnaire designers can minimize its occurrence. This study sought to identify response sets most closely associated with person fit, which has been shown to be an effective method for identifying response sets on a questionnaire. Subjects were 597 undergraduate and graduate students who were administered a thinking style measure and an attitude questionnaire on 2 controversial topics, abortion and homosexual rights, and 2 noncontroversial questions, arts education and standardized questions. Three item formats were used. The BIGSTEPS computer program was used to measure individual misfit, and when person fit and other response sets were found in the correlational analysis to be highly associated, verification was sought in the Rasch output. The moderate-to-substantial correlations between infit and extreme responding style and between infit and response range found on the semantic differential (SD), and rating scale (RS) item formats were not seen for the magnitude estimation scale (ME), suggesting that fit statistics may be useful in determining response set on the SD and RD scales for all but the acquiescence/directional (AD) set, but perhaps is not as useful for the ME scale. Because of the high associations observed, the measurement of person fit through use of the Rasch model is an effective method for determining response set. (Contains 4 tables, 9 figures, and 28 references.) (SLD)
Publication Type: Reports - Research; Speeches/Meeting Papers
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A