Reliability and validity of a Chinese computerized diagnostic instrument

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Abstract
ABSTRACT— This paper reports on the development and testing of a new Chinese diagnostic instrument — the Adult Diagnostic Interview Schedule‐Present (ADIS‐P). This instrument uses a selection of items adapted from DIS and SADS. It is administered within approximately 25 min by a trained clinician using a small portable computer that provides an immediate diagnosis. The instrument was tested on 1,331 patients from six large mental hospitals acorss the country. The concurrent validity was good: compared to the concensus diagnosis of two senior clinicians (who were blinded to the ADIS‐P result), the overall diagnostic accuracy was 83% and the weighted Kappa value was 0.60. The 1 month test‐retest reliability was satisfactory (weighted Kappa = 0.55). We conclude that ADIS‐P is a convenient, reliable and valid diagnostic instrument.