A study of developing a Thurstone type attitude scale

In this study a Thurstone type mathematics attitude scale is constructed and its reliability and validity is examined. The items of a Likert type math attitude scale which was developed by Aşkar (1986) are used as item pool. Forty-eight of expert group have been used as judge in this study. The ambigious cofficients and scale values for the items are determined by the equalappearing intervals. Reliability and validity analyses were performed by applying the scales to 66 high school students. The validity of scale was examined in terms of concurrent validity. Thurstone type and Likert type scales were compared in terms of some psychometric