Comparison between Continuous Bipolar and Unipolar Ratings of the Myers-Briggs Type Indicator

This study compared measurement properties of two response formats (bipolar and unipolar ratings) in personality assessment. Data used for empirical evaluation were responses of 135 volunteer college students on the Myers-Briggs Type Indicator (MBTI). The major results included: (a) high empirical f...

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Bibliographic Details
Published in:Educational and psychological measurement 1991-09, Vol.51 (3), p.681-690
Main Authors: Tzeng, Oliver C. S., Ware, Roger, Bharadwaj, Naina
Format: Article
Language:English
Subjects:
Biological and medical sciences
College Students
Comparative Testing
Construct Validity
Empirical Research
Factor Analysis
Factor Structure
Fundamental and applied biological sciences. Psychology
Higher Education
Item Response Theory
Myers Briggs Type Indicator
Personality
Personality Assessment
Personality Measures
Personality. Affectivity
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Psychometrics
Rating Scales
Social research
Test Format
Tests
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Summary:This study compared measurement properties of two response formats (bipolar and unipolar ratings) in personality assessment. Data used for empirical evaluation were responses of 135 volunteer college students on the Myers-Briggs Type Indicator (MBTI). The major results included: (a) high empirical factorial validity for both ratings on individual items with bipolar being superior; (b) higher validity in bipolar ratings than in unipolar ratings for the eight theoretical preference poles; (c) high alpha reliability coefficients for all eight preference poles in both ratings; and (d) evidence of high convergent, divergent, and discriminant validities for the eight preference poles across both ratings. It was concluded that while both ratings are reliable and valid, the bipolar method is more preferable for theoretical and practical purposes.
ISSN:0013-1644
1552-3888
DOI:10.1177/0013164491513019