Development of Teacher Feedback Use Evaluation Scale
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Feedback is an important factor used in learning and teaching process. The effective use of feedback by teachers fosters learning. Therefore, it plays a crucial role to evaluate the feedback system of teachers according to students’ views. As a result, valid and reliable instruments are required in this process. This study aimed to develop a scale to evaluate teachers’ feedback usage according to high school students’ views. A trial form of 44 items in Likert-type was prepared and applied in the fall semester of the 2016-2017 academic year. The validity and reliability of the scale was conducted on the data obtained from 220 high school students selected by convenience sampling. Explanatory factor analysis was conducted to prove the construct validity of the scale. Confirmatory Factor Analysis (CFA) was conducted to impose the structure on the data. The KMO Kaiser-Meyer-Olkin value was obtained as 0.87. The value of Cronbach alpha calculated for reliability was 0.84 for this study. In the confirmatory factor analysis, it was found that the values of the “Teacher Feedback Evaluation Scale” were acceptable (χ2 / df = 2,05; RMSEA = .069; CFI = .90; RMR = .08). When the values of the other goodness of fit of the Feedback Evaluation Scale were examined, the values were obtained as GFI = .84, AGFI = .81, NNFI = .89. Findings related to the validity and reliability show that the scale is a valid and reliable measurement tool.