Validity of self-administered symptom scales in clients with schizophrenia and schizoaffective disorders
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2019, Schizophrenia ResearchCitation Excerpt :In support of our hypothesis, SPQ subscale scores were significantly associated with their corresponding clinician-rated SIDP item scores for cognitive-perceptual (positive) schizotypal traits in both groups. This result is consistent with studies in schizophrenia suggesting that self-reported positive symptoms corresponded well with clinician ratings (Hamera et al., 1996; Lincoln et al., 2010; Liraud et al., 2004), although some studies have failed to find such correlations for positive symptoms (Biancosino et al., 2007; Morlan and Tan, 1998). Positive schizotypal traits may be more accurately self-reported as the SPQ asks about these items directly (e.g., “Do you sometimes feel that things you see on the TV or read in the newspaper have a special meaning for you?”),
Patient versus rater evaluation of symptom severity in treatment resistant schizophrenia receiving clozapine
2019, Psychiatry ResearchCitation Excerpt :Instead, our findings demonstrated a modest, but significant, correlation; it is also worth pointing out that they employed the BPRS (Hamera et al., 1996). We do agree with their argument that patients may find it more difficult to self-rate negative symptoms due to the behavioral, versus experiential, nature of negative symptoms (Hamera et al., 1996). As with others, we too found that age and gender did not seem to impact scores (Bradshaw and Brekke, 1999).