Earth Force Survey – Student Version (EFS)
Measures youth environmental attitudes, efficacy, civic commitment, and environmental action skills.
Scale Development & Technical Details
Scale Overview
The Earth Force Survey – Student Version (EFS) was developed by Earth Force (Unknown). It is designed to measure Youth environmental attitudes, efficacy, and civic engagement. The scale is intended for use with Adolescents and school-aged youth.
Scale Structure
This instrument consists of 21 items organized into 3 factors/subscales: Environmental Commitment and Action, Efficacy and Empowerment, Environmental Awareness and Skills.
| Factor / Subscale | Items | N |
|---|---|---|
| Environmental Commitment and Action | 1,2,3,4,5,7,18,21 | 8 |
| Efficacy and Empowerment | 6,13,14,15,16 | 5 |
| Environmental Awareness and Skills | 8,9,10,11,12,17,19,20 | 8 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Not True at All, 2 = Not Very True, 3 = Sort of True, 4 = Very True.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 21 to 84. Interpretation guidelines:
- Low Environmental Engagement: 21 – 42
- Moderate Environmental Engagement: 43 – 63
- High Environmental Engagement: 64 – 84
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 10 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.