What question did this study set out to answer?

This study aims to create a shorter version of a disability scale while maintaining its effectiveness.

Development and clinical validation of the short version of the NIMHANS-NMHS-2 disability scale

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Randomized trial develops a shorter disability scale for clinical use, suggesting effective assessment methods.

This study aims to create a shorter version of a disability scale while maintaining its effectiveness.
Developed an 8-item version of the original 13-item disability scale through expert consensus.
Conducted secondary analysis to assess correlations between the new scale and established measures.
Performed independent clinical validation using a sample size of 81.],
NNDS-SV strongly correlated with NNDS (rho = 0.988), indicating excellent reliability.
NNDS-SV had a high correlation with WHO-DAS (rho = 0.918) and BPRS (rho = 0.792).
Independent clinical validation confirmed concurrent validity with WHODAS (rho = 0.94) and discriminant validity with BPRS (rho = 0.80) over 4–6 minutes of administration time.

Jaisoorya et al. (2026) studied this question.

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