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Stanine: Simplify Data With This 9-Point Scale

By Mohammed looti / / 1 min read
Scientifically Reviewed · Dr. Marwa Abd-Alazim · August 31, 2026
Medically & Scientifically Reviewed Verified: August 31, 2026
Dr. Marwa Abd-Alazim Ph.D.
Professor of Psychology • University of Kerbala
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This content undergoes rigorous scientific peer-review and medical editorial standards at Arab Psychology Network to ensure clinical accuracy, validity, and compliance with evidence-based guidelines from leading psychological and healthcare authorities (APA / WHO).

Stanine: Simplify Data With This 9-Point Scale

a division of scores into 9 parts with a normal distribution. The mean of this scale is 5 with the standard deviation of 2. Educational performance can be assessed by this scale.

STANINE: “A stanine is a division of scores into 9 parts with a normal distribution. The mean is 5 with deviation of 2.”
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About the Author: Mohammed looti

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looti, M. (2026, August 31). Stanine: Simplify Data With This 9-Point Scale. Encyclopedia of psychology. https://encyclopedia.arabpsychology.com/stanine/
looti, Mohammed. “Stanine: Simplify Data With This 9-Point Scale.” Encyclopedia of psychology, 31 August 2026, https://encyclopedia.arabpsychology.com/stanine/.
looti, Mohammed. “Stanine: Simplify Data With This 9-Point Scale.” Encyclopedia of psychology. August 31, 2026. https://encyclopedia.arabpsychology.com/stanine/.

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