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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
 
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1
II Department of Psychiatry, Medical University of Warsaw
 
2
Psychiatric Day Ward, Masovian Brodno Hospital in Warsaw
 
 
Submission date: 2015-05-06
 
 
Acceptance date: 2015-05-06
 
 
Publication date: 2015-06-30
 
 
Corresponding author
Andrzej Kokoszka   

II Klinika Psychiatryczna, Warszawski Uniwersytet Medyczny, ul. Kondratowicza 8, 03-242 Warszawa, Polska
 
 
Psychiatr Pol 2015;49(3):649-652
 
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ABSTRACT
Introduction:
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 [1]. 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.

Material and methods:
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).

Results:
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.

Conclusions:
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.

eISSN:2391-5854
ISSN:0033-2674
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