Psychiatr. Pol. 2015; 49(3): 649–652
Andrzej Kokoszka, Agnieszka Łukasiewicz
FREE POLISH FULLTEXT:
List do redakcji. Nowa ocena trafności Krótkiej Skali Poczucia Wpływu na Przebieg Choroby: Wersja dla Schizofrenii
FREE ENGLISH FULLTEXT:
Letter to Editor: New assessment of the validity of the Brief Measure to Assess Perception of Self-Influence on the Disease Course: A Version for Schizophrenia
. Clinical observations suggest that the Brief Measure to Assess Perception of Self- Influence on the Disease Course: A Version for Schizophrenia has the better reliability, than presented in the original publication of the scale . It is used in research and their results indicate moderate relations between the perception of the self-influence on schizophrenia course and social functioning as well as adherence to the recommended treatment. These circumstances justify and new assessment of the reliability of the scale.
Detailed scale for competent judges, who had better opportunity for the comprehensive examination of 59 participants, 27 men and 29 women of age 22-72 lat (M = 40.69; SD = 11.85).
The Spearman’s correlation between the scores on the version for schizophrenia of the Brief Measure to Assess Perception of Self-Influence on the Disease Course and the assessment of the patients’ perception of self-influence on the schizophrenia course by the competent judges rho was 0,56. Whereas, in the first study Pearson’s r was 0.45.
Brief Measure to Assess Perception of Self-Influence on the Disease Course – Version for Schizophrenia has good enough validity, as for so brief scale. It can be used in research and clinical practice.