Özet:

This study aims to develop a scale to identify the oral expression self-efficacy beliefs of preservice teachers. The participants of this study consist of 426 students studying in faculty of education. During the process of the scale development, related literature was reviewed, a pool of items was created, experts’ opinions’ were collected, a pilot study was carried out and reliability and validity of the scale were measured. As a result of the exploratory (EFA) and confirmatory (CFA) factor analyses, the scale was determined to have 29 items. Factor loadings were valued from .50 to .76. Item-total correlation of the scale ranged from .30 to .69. The scale was identified to be one-dimensional which had a structure of 4 factors. Total variance explained by these four factors was 52%. χ2/df ratio was found to be 3.05 as a result of CFA. According the confirmatory factor analysis (CFA), the goodness of fix indexes were calculated as follows: CFI=.97, IFI=.97, SRMR=.06, RMSEA=.07 (90%, GA=.065; .074). The distinctiveness of the items was found to be significant as a result of 27% sub group and 27 % super group independent groups t-test. It was determined that the scale has one dimension but four factors. Cronbach’s alpha coefficients of the factors were calculated to range from .70 to .89. Cronbach’s alpha of the total scale was calculated as .94. As a result of these findings, it can be asserted that the scale is a - valid and reliable tool that can be used to identify the oral expression self-efficacy beliefs of pre-service teachers

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