Dichotomizing rating scale scores in psychiatry: a bad idea?
نویسندگان
چکیده
منابع مشابه
Dichotomizing rating scale scores in psychiatry: a bad idea?
In psychiatry, the use of rating scales as measures of outcome in clinical trials allows us to generate continuous outcome data, where each individual's outcome is measured in numbers. Continuous outcomes can be divided into two categories, such as improved and not improved, or may be kept continuous. This article briefly presents the main advantages and disadvantages of these two approaches, w...
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The Children's Depression Rating Scale-Revised (CDRS-R) is a widely used instrument for research on depression in minors. A raw score of ≥40 has often been used as indicator of depressive symptomatology. As a validated German version of the CDRS-R has recently became available, we assessed CDRS-R raw summary scores of a video taped interview session in two different rater groups and compared th...
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BACKGROUND Despite the widespread use of the Brief Psychiatric Rating Scale (BPRS), the clinical meaning of its total score and cut-off values used to define treatment response are unclear. AIMS To link the BPRS to Clinical Global Impression (CGI) ratings. METHOD Equipercentile linking of BPRS and CGI ratings from seven drug trials in acutely ill patients with schizophrenia (n=1979). RESU...
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ژورنال
عنوان ژورنال: Epidemiology and Psychiatric Sciences
سال: 2012
ISSN: 2045-7960,2045-7979
DOI: 10.1017/s2045796012000613