Processes of Change Questionnaire – Alcohol Version (POCQ-A)
Measures the experiential and behavioral processes of change associated with modifying alcohol consumption behavior.
Scale Development & Technical Details
Scale Overview
The Processes of Change Questionnaire – Alcohol Version (POCQ-A) was developed by James O. Prochaska, Carlo C. DiClemente (1983). It is designed to measure Processes of Change (Transtheoretical Model). The scale is intended for use with Adults with alcohol use concerns.
Scale Structure
This instrument consists of 40 items organized into 10 factors/subscales: Consciousness Raising, Dramatic Relief, Environmental Re-evaluation, Self-Re-evaluation, Social Liberation, Contingency Management, Counter Conditioning, Helping Relationships, Self-Liberation, Stimulus Control.
| Factor / Subscale | Items | N |
|---|---|---|
| Consciousness Raising | 15,24,33,40 | 4 |
| Dramatic Relief | 3,11,19,29 | 4 |
| Environmental Re-evaluation | 5,14,22,31 | 4 |
| Self-Re-evaluation | 6,23,32,39 | 4 |
| Social Liberation | 4,13,21,38 | 4 |
| Contingency Management | 1,9,27,36 | 4 |
| Counter Conditioning | 8,17,26,35 | 4 |
| Helping Relationships | 2,10,18,28 | 4 |
| Self-Liberation | 12,20,30,37 | 4 |
| Stimulus Control | 7,16,25,34 | 4 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Never, 2 = Seldom, 3 = Occasionally, 4 = Frequently, 5 = Repeatedly.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 4 to 20. Interpretation guidelines:
- Low use of process: 4 – 8
- Moderate use of process: 9 – 15
- High use of process: 16 – 20
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Not specified in source.
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.