Situationism/Interactionism/Dispositionism Scale – SID
Measures lay theories of behavior regarding the relative influence of personality, situations, and their interaction.
Scale Development & Technical Details
Scale Overview
The Situationism/Interactionism/Dispositionism Scale – SID was developed by Ara Norenzayan, Incheol Choi, & Richard E. Nisbett (1998). It is designed to measure Lay theories of behavior. The scale is intended for use with Adults.
Scale Structure
This instrument consists of 6 items organized into 3 factors/subscales: Dispositionism, Situationism, Interactionism.
| Factor / Subscale | Items | N |
|---|---|---|
| Dispositionism | 1,2 | 2 |
| Situationism | 3,4 | 2 |
| Interactionism | 5,6 | 2 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Strongly disagree / Extremely poorly, 2 = Moderately disagree / Moderately poorly, 3 = Somewhat disagree / Slightly poorly, 4 = Neutral, 5 = Somewhat agree / Slightly well, 6 = Moderately agree / Moderately well, 7 = Strongly agree / Extremely well.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 2 to 14. Interpretation guidelines:
- Low Endorsement: 2 – 5
- Moderate Endorsement: 6 – 10
- High Endorsement: 11 – 14
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 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.