Scale Overview
The Hemispheric Dominance Inventory – HDI was developed by Web-US (Unknown). It is designed to measure Hemispheric Dominance. The scale is intended for use with General population.
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:
- Left-Brain Dominant Preference: 0 – 8
- Bilateral / Mixed Preference: 9 – 10
- Right-Brain Dominant Preference: 11 – 18
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Not reported.
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.