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SOPI is a concise self-completed measure of occupational participation for research and outcome evaluation in occupational therapy, occupational science, and rehabilitation science.
SOPI is a concise self-completed measure of occupational participation for research and outcome evaluation in occupational therapy, occupational science, and rehabilitation science.
▶ Learn about SOPI
▶ Learn about SOPI
Understand occupational participation and how it is measured by the SOPI scale.
Understand occupational participation and how it is measured by the SOPI scale.
▶ Use & Scoring
▶ Use & Scoring
Learn how to use SOPI and how to score and interpret the results.
Learn how to use SOPI and how to score and interpret the results.
▶ View Research & Publications
▶ View Research & Publications
Access the original article and related studies.
Access the original article and related studies.
Related Scale
Related Scale
Ikigai-9 is a concise 9-item scale developed in Japan to assess the sense of ikigai. While SOPI focuses on occupational performance and participation, Ikigai-9 evaluates subjective well-being, including meaning, purpose, and motivation. The two measures can be used complementarily in research and practice related to participation and well-being.
Ikigai-9 is a concise 9-item scale developed in Japan to assess the sense of ikigai. While SOPI focuses on occupational performance and participation, Ikigai-9 evaluates subjective well-being, including meaning, purpose, and motivation. The two measures can be used complementarily in research and practice related to participation and well-being.
© 2026 Tadanori Imai, Kitasato University
Official website for the Self-completed Occupational Performance Index (SOPI)
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