The Knowledge About Schizophrenia Questionnaire (KASQ), was developed to assess patients knowledge about their illness and its management. The present study aimed to examine the validity and reliability of the Turkish version of KASQ. Internal consistency of KASQ was evaluated with the measurement of KR-20 . Stability was evaluated with a test-retest evaluation. Item-to-total correlation and item difficulty were used for further evaluation. Validity and sensitivity was evaluated by comparison of pre and post measurement of KASQ scores of a group of patients enrolled into a psychoeducation programme with the control group. KR-20 was calculated as 0,801. Stability was evaluated with test-retest evaluaitons. A statisticallly significant correlation was shown as a result of test-retest evaluations (correlation coefficient:0,775 p:0,000). In item analysis item difficulty level of the test was found to be intermediate (mean 0,58). KASQ can be used as a convenient tool in our country to evaluate the effect of psychoeducational programs on increasing knowledge about schizophrenia in the patients who were diagnosed with schizophrenia.
Key words: Measurement of knowledge, schizophrenia, psychoeducation
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