Attitudes Towards Intellectual Disability Scale – EADI
A 10-item self-report questionnaire developed to assess perceptions and social distance attitudes towards intellectual disability within the workplace.
Scale Development & Technical Details
Scale Overview
The Attitudes Towards Intellectual Disability Scale – EADI was developed by Alicia Boluarte Carbajal, Martin Salazar-Conde, Arantxa N. Sánchez Boluarte, Danilo Sánchez Coronel, Brian Norman Peña-Calero (2023). It is designed to measure Attitudes Towards Intellectual Disability in the Workplace. The scale is intended for use with Laborers / Working adults.
Scale Structure
This instrument consists of 10 items organized into 2 factors/subscales: Perception, Social Distance.
| Factor / Subscale | Items | N |
|---|---|---|
| Perception | 1,2,3 | 3 |
| Social Distance | 4,5,6,7,8,9,10 | 7 |
Response Format
Respondents rate each item using a 5-point Likert scale (1 = Strongly Disagree to 5 = Strongly Agree).
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 10 to 50. Interpretation guidelines:
- Less Favorable Attitude: 10 – 25
- Neutral Attitude: 26 – 35
- More Favorable Attitude: 36 – 50
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Perception: alpha = 0.86, omega = 0.93; Social Distance: alpha = 0.83, omega = 0.92.
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.