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Siddiqui-Shah Depression Scale (SSDS): Development and Validation

Author

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  • Salma Siddiqui

    (Quaid-i-Azam University Islamabad)

  • Syed Ashiq Ali Shah

    (International Islamic University Malaysia)

Abstract

The purpose of the study was to develop and validate a self-report scale to measure depression in both clinical and non-clinical Pakistani populations. The 72 items obtained from university students were judged for their relevance to depression by psychiatrists and clinical psychologists. An approximate 50% consensus among judges was taken as the selection criterion. The 36 items so obtained were split into two equivalent halves and tested on clinical as well as non-clinical populations. The split half reliabilities of the scale with Spearman-Brown correc tion were r = 0. 79 and r = 0.84 for the clinical and r = 0.80 and r = 0.89 for the non-clinical samples respectively. The Alpha coefficients for the clinical and non-clinical samples were 0.91 and 0.89 respectively. The scale correlated sig nificantly with Zung's Depression Scale, r = 0.55 (p

Suggested Citation

  • Salma Siddiqui & Syed Ashiq Ali Shah, 1997. "Siddiqui-Shah Depression Scale (SSDS): Development and Validation," Psychology and Developing Societies, , vol. 9(2), pages 245-262, September.
    • Handle: RePEc:sae:psydev:v:9:y:1997:i:2:p:245-262
    DOI: 10.1177/097133369700900205
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