Short Index of Self Actualization – SISA
A 15-item self-report measure designed to assess 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 & 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.
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:
- Lower Self-Actualization: 15 – 37
- Higher Self-Actualization: 38 – 60
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of 0.65 – 0.75.
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.