Cost and Benefit of Friendship Scale – CBFS
Identifies the range of benefits and costs that individuals perceive as important in their same-sex and opposite-sex friendships.
Scale Development & Technical Details
Scale Overview
The Cost and Benefit of Friendship Scale – CBFS was developed by Bleske, A. L., & Buss, D. M. (2000). It is designed to measure Friendship Costs and Benefits. The scale is intended for use with Adults.
Scale Structure
This instrument consists of 116 items organized into 2 factors/subscales: Benefits, Costs.
| Factor / Subscale | Items | N |
|---|---|---|
| Benefits | 1,4,5,8,12,14,15,16,17,18,19,21,23,28,29,32,33,34,37,42,45,48,50,58,61,64,66,69,72,74,76,78,79,81,82,86,88,91,92,94,98,103,104,109,110,111,112,114 | 48 |
| Costs | 2,3,6,7,9,10,11,13,20,22,24,25,26,27,30,31,35,36,38,39,40,41,43,44,46,47,49,51,52,53,54,55,56,57,59,60,62,63,65,67,68,70,71,73,75,77,80,83,84,85,87,89,90,93,95,96,97,99,100,101,102,105,106,107,108,113,115,116 | 68 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Not at all, 2 = 2, 3 = 3, 4 = Somewhat, 5 = 5, 6 = 6, 7 = Very.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 1 to 7. Interpretation guidelines:
- Low Perceived Impact: 1 – 3
- Moderate Perceived Impact: 4 – 5
- High Perceived Impact: 6 – 7
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 20 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.