Short Index of Self-Actualization – SISA
Measures beliefs, attitudes, and behaviors that indicate an individual's level of self-actualization.
Scale Development & Technical Details
Scale Overview
The Short Index of Self-Actualization – SISA was developed by Alvin Jones and Rick Crandall (1986). It is designed to measure Self-actualization. The scale is intended for use with Adults.
Scale Structure
This instrument consists of 15 items organized into 3 factors/subscales: Proreligious Subscale, Neutral Subscale, General.
| Factor / Subscale | Items | N |
|---|---|---|
| Proreligious Subscale | 1,2,3,4,6,7,9,10,11,12,13,14 | 12 |
| Neutral Subscale | 5,8 | 2 |
| General | 15 | 1 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Agree, 2 = Somewhat agree, 3 = Somewhat disagree, 4 = Disagree.
The scale includes 8 reverse-scored items to reduce acquiescence bias.
Scoring
Items are summed to produce a total score.
Total scores range from 15 to 60. Interpretation guidelines:
- Low Self-Actualization: 15 – 30
- Moderate Self-Actualization: 31 – 45
- High Self-Actualization: 46 – 60
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of .65.
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.