Scale Overview
The Intrinsic Motivation Inventory – Task Evaluation Questionnaire (IMI-TEQ) was developed by Edward L. Deci & Richard M. Ryan (1989). It is designed to measure Intrinsic Motivation. The scale is intended for use with Adults and adolescents.
Scale Structure
This instrument consists of 22 items organized into 4 factors/subscales: Interest/Enjoyment, Perceived Competence, Perceived Choice, Pressure/Tension.
| Factor / Subscale |
Items |
N |
| Interest/Enjoyment |
1,5,8,10,14,17,20 |
7 |
| Perceived Competence |
4,7,12,16,22 |
5 |
| Perceived Choice |
3,11,15,19,21 |
5 |
| Pressure/Tension |
2,6,9,13,18 |
5 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Not at all true, 2 = 2, 3 = 3, 4 = Somewhat true, 5 = 5, 6 = 6, 7 = Very true.
The scale includes 6 reverse-scored items to reduce acquiescence bias.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 1 to 7. Interpretation guidelines:
- Low (Average Subscale Score): 1 – 3
- Moderate (Average Subscale Score): 4 – 5
- High (Average Subscale Score): 6 – 7
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Cronbach's alpha typically ranges from .80 to .90 for the subscales..
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.