Scale Overview
The Prosocial Tendencies Measure Revised – PTM-R was developed by Gustavo Carlo & Brandy A. Randall (2002). It is designed to measure Prosocial Tendencies. The scale is intended for use with Adolescents and Adults.
Scale Structure
This instrument consists of 25 items organized into 6 factors/subscales: Public, Anonymous, Dire, Emotional, Compliant, Altruism.
| Factor / Subscale |
Items |
N |
| Public |
1,3,5,13 |
4 |
| Anonymous |
8,11,15,19,22 |
5 |
| Dire |
6,9,14 |
3 |
| Emotional |
2,12,17,21,25 |
5 |
| Compliant |
7,18 |
2 |
| Altruism |
4,10,16,20,23,24 |
6 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Does Not Describe Me At All, 2 = Describes Me A Little, 3 = Somewhat Describes Me, 4 = Describes Me Well, 5 = Describes Me Greatly.
The scale includes 5 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 25 to 125. Interpretation guidelines:
- Low Prosocial Tendencies: 25 – 58
- Moderate Prosocial Tendencies: 59 – 91
- High Prosocial Tendencies: 92 – 125
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.