Właściwości psychometryczne polskiej wersji The Metacognitions Questionnaire-30
Psychiatr Pol 2011;45(4):545-553
Aim. The aim of the present study was to examine basic psychometric properties as well as to confirm the five-factor structure of the Polish version of the Metacognitions Questionnaire-30 (MCQ-30), a short instrument to measure various aspects of maladaptive metacognitions. Method. The sample consisted of 3 15 individuals (239 females and 76 males). Fourty-five of the participants were examined twice within the test-retest procedure. Among questionnaires used in the study were MCQ-30, the State-Trait Anxiety Inventory (STAI) and four subscales chosen from the Neurotic Personality Questionnaire (KON-2006). Results. Cronbach alphas, coefficients of reliability, reached acceptable values (0.70-0.87). Correlation coefficient (Pearson's r) between two separate administrations of MCQ-30 was high (0.72). Correlation coefficients between results of the MCQ-30 and results of the STAI and the part of KON-2006 were statistically significant and positive (018-064). Confirmatory factor analysis confirmed the five-factor structure of the questionnaire (the model was modified, and the method of maximum likelihood along with bootstrap procedure was used; goodness-of-fit indices were e.g. chi(2) [391]=764.50 with p<0.001, chi(2)/df=1.95, GFI=0.858, RMSEA=0.055). Conclusions. The results from this study show generally good psychometric properties of the Polish version of the metacognitions questionnaire. Polish version of the MCQ-30 seems to be a measure comparable with the original version.
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