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    • New Avenue for the Geriatric Depression Scale: Rasch Transformation Enhances Reliability of Assessment

      Merkin, AG; Medvedev, ON; Sachdev, PS; Tippett, L; Krishnamurthi, R; Mahon, S; Kasabov, N; Parmar, P; Crawford, J; Doborjeh, ZG; Doborjeh, MG; Kang, K; Kochan, NA; Bahrami, H; Brodaty, H; Feigin, VL (Elsevier, 2019)
      Background Depression is a common problem in older adults. The 15-item Geriatric Depression Scale (GDS-15) is a widely used psychometric tool for measuring depression in the elderly, but its psychometric properties have ...