Balanced Dogmatism Scale – Mark II (BD Scale)
Measures dogmatism and closed-mindedness while controlling for acquiescent response bias.
Scale Development & Technical Details
Scale Overview
The Balanced Dogmatism Scale – Mark II (BD Scale) was developed by John J. Ray (1970). It is designed to measure Dogmatism. The scale is intended for use with Adults.
Scale Structure
This instrument consists of 40 items.
Response Format
Respondents rate each item using a 5-point Likert scale (1 = Strongly Disagree to 5 = Strongly Agree).
The scale includes 20 reverse-scored items to reduce acquiescence bias.
Scoring
Items are summed to produce a total score.
Total scores range from 40 to 200. Interpretation guidelines:
- Low Dogmatism (Open-minded): 40 – 93
- Moderate Dogmatism: 94 – 146
- High Dogmatism: 147 – 200
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Not specified.
Administration
The scale is self-administered and typically takes approximately 10 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.