TEACHER´ SELF-EFFICACY: VERIFICATION OF THE PSYCHOMETRIC PROPERTIES OF QUESTIONNAIRE
[VNIMANA PROFESIJNA ZDATNOST UCITELA – OVERENIE PSYCHOMETRICKÝCH VLASTNOSTI DOTAZNIKA OSTES]
The submitted contribution concerns the verification of the psychometric properties of the Slovak version of the OSTES questionnaire on a sample of teachers of elementary and secondary schools (N 401). The Slovak translation of the original questionnaire was published in 2011 by author Gavora, who identified the factor structure of the questionnaire, identifying a one-factor solution. A year later, the questionnaire was re-validated that indicating a single and two-factor solution as appropriate. We decided to explore the psychometric properties of the OSTES questionnaire. Similarly to Gavora, we have come up with a one- and two-factor solution, but factor-saturation by some items is not consistent with Gavor's solution. In view of this, we propose to continue studying the factor structure of the Slovak translation of the OSTES questionnaire, thus increasing the likelihood of consensus on the factor solution of the given questionnaire and increasing its reliability and validity.
self-efficacy, OSTES questionnaire, psychometric characteristics, factor analysis