Scale Overview
The Physical Activity/Healthy Food Efficacy Scale for Children – PAHFE-C was developed by Perry, C. M., De Ayala, R. J., Lebow, R., & Haydon, E. (2008). It is designed to measure Self-efficacy for physical activity and healthy eating. The scale is intended for use with Children (upper elementary students).
Scale Structure
This instrument consists of 20 items organized into 4 factors/subscales: Goal-Setting for Physical Activity, Decision-Making for Physical Activity, Goal-Setting for Healthy Food Choices, Decision-Making for Healthy Food Choices.
| Factor / Subscale |
Items |
N |
| Goal-Setting for Physical Activity |
1,2 |
2 |
| Decision-Making for Physical Activity |
3,4,5,6,7,8,9,10 |
8 |
| Goal-Setting for Healthy Food Choices |
11,12 |
2 |
| Decision-Making for Healthy Food Choices |
13,14,15,16,17,18,19,20 |
8 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Not Sure, 2 = Not Too Sure, 3 = Sure, 4 = Very Sure, 5 = Completely Sure.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 20 to 100. Interpretation guidelines:
- Low Efficacy: 20 – 45
- Moderate Efficacy: 46 – 75
- High Efficacy: 76 – 100
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Not specified in source text.
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.