![]() ![]() Found inter-rater reliability correlations of only +0.40.Mojtabi & Nicholson – 50 US psychiatrists asked to differentiate between “bizarre” and “non-bizarre” delusions.This suggests that patients may receive a different diagnosis, dependant on which clinician they are assessed by, which has wide reaching consequences in terms of treatmentĪO2/3 – Challenge to inter-rater reliability of the diagnostic criteria for schizophrenia – Mojtabi & Nicholson.Found inter-rater reliability correlations as low as +0.11.Challenges claims of increased reliability in DSM versions.Demonstrated by Wilks et al (2003) gave two different forms of the RBANS test to schizophrenics, and found test-retest reliability correlation coefficient of +0.84, which is highĪO2/3 – Challenge to inter-rater reliability – Whaley (2001).Measured by giving same test and seeing if the same results are obtained when repeated.RBANS) are important tools to diagnose schizophrenia as they measure the degree of neuropsychological impairment Refers to the extent to which a test/tool used to measure is consistent over time, e.g. ![]() DSM III was said to fix the issue of inter-rater reliability.This is tested by comparing the diagnosis given by two psychologists using a measure of schizophrenia (e.g. Measured in terms of whether two independent assessors give similar diagnosis.One issue is reliability, and one aspect of reliability is inter-rater reliability. ![]()
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