Scale Overview
The Hemispheric Dominance Inventory – HDI was developed by Unknown (N/A). It is designed to measure Hemispheric Dominance (Left vs. Right Brain Cognitive Style). The scale is intended for use with Adults.
Scale Structure
This instrument consists of 18 items.
Response Format
Respondents rate each item using a custom response format.
Response anchors: a = Option A, b = Option B.
Scoring
Items are summed to produce a total score.
Total scores range from 0 to 18. Interpretation guidelines:
- Right-Brain Dominant: 0 – 6
- Bilateral / Mixed Dominance: 7 – 11
- Left-Brain Dominant: 12 – 18
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Not empirically established.
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.