This scale is used to measure self-concept, the following statements are ranked on a Likert 7-point scale:

- My beliefs about myself often conflict with one another.
- On one day I might have one opinion of myself and on another day I might have a different opinion.
- I spend a lot of time wondering about what kind of person I really am.
- Sometimes I feel that I am not really the person that I appear to be.
- When I think about the kind of person I have been in the past, I'm not sure what I was really like.
- I seldom experience conflict between the different aspects of my personality.
- Sometimes I think I know other people better than I know myself. 
- My beliefs about myself seem to change very frequently.
- If I were asked to describe my personality, my description might end up being different from one day to another day.
- Even if I wanted to, I don't think I could tell someone what I'm really like.
- In general, I have a clear sense of who I am and what I am.
- It is often hard for me to make up my mind about things because I don't really know what I want.

The Self-Concept Clarity Scale

Campbell, J. D., Trapnell, P. D., Heine, S. J., Katz, I. M., Lavallee, L. F., & Lehman, D. R. (1996). Self-concept clarity: Measurement, personality correlates, and cultural boundaries. Journal of Personality and Social Psychology, 70, 141-156.

Reference for The Self-Concept Clarity Scale

Self-concept clarity is the extent a person feels they have a clear and coherent sense and perception of who they are.

Pace University

Emery, L. F., Gardner, W. L., Carswell, K. L., &amp; Finkel, E. J. (2018). You can't see the real me: Attachment avoidance, self-verification, and self-concept clarity. Personality &amp; social psychology bulletin. Retrieved December 3, 2022, from https://pubmed.ncbi.nlm.nih.gov/29552948/ 

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