Browsing by Subject "Invariance of student ratings"

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    The measurement invariance of university students’ ratings of instruction
    (Hacettepe University, 2019) Kalender, İlker; Berberoğlu, G.
    The invariance in the scores of student rating of instruction was studied across high and low achieving classrooms. Achievement levels were determined by the two criteria such as self-reported expected grades and end of semester grades. The data included 625 classrooms. The equality of (i) factorial structure, (ii) factor loadings, (iii) item intercepts, and (iv) error variances of the 7 item rating scale were studied across these groups. With respect to self-reported expected grades, high and low achieving classes produced invariant scale characteristics except strict invariance. On the other hand, with respect to end of semester grades, full equality in item intercepts and error variances were not achieved. It seems that comparing the rating results across the classrooms and courses independent of the achievement levels of the students may be misleading especially for the high-stake decisions since the origin of the scale is not the same across high and low achieving groups.