Key result
The Comprehensive Psychopathological Rating Scale (CPRS) showed a correlation of 0.48 with Mårtens' S-scale and demonstrated satisfactory inter-rater reliability (rk = 0.70-0.97 for 33 of 39 items).
Why the study?
What is the inter-rater reliability and concurrent validity of the CPRS compared to Mårtens' S-scale in patients with schizophrenic syndromes?
What is the inter-rater reliability and concurrent validity of the CPRS compared to Mårtens' S-scale in patients with schizophrenic syndromes?
Effect estimate: Spearman rank correlation 0.48
The CPRS is an easy-to-use scale with satisfactory inter-rater reliability for assessing patients with schizophrenic syndromes.
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Moderate correlation (r=0.48) limits scale interchangeability; leaves open optimal choice for schizophrenia trials.
Jacobsson et al. (1978) studied schizophrenic or paranoid syndromes (n=16). Comprehensive Psychopathological Rating Scale (CPRS) vs. Mårtens' S-scale was evaluated on Correlation between CPRS and Mårtens' S-scale and inter-rater reliability (Spearman rank correlation 0.48). The Comprehensive Psychopathological Rating Scale (CPRS) showed a correlation of 0.48 with Mårtens' S-scale and demonstrated satisfactory inter-rater reliability (rk = 0.70-0.97 for 33 of 39 items).
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