Reconstruction, Validation, Making Reliable and Normalization of Math Self Concept Scale
The purpose of the present research is to restructure, validate, make reliable and normalize math self concepts scale. in testing research, 812 students from Malards high school were participated.
In this study, the items of math self concept restructured scale was analyzed with discriminant index and loop method. The reliability of scale was investigated with split-half method and coefficient alpha, then construct validity, criterion validity and discriminant validity were investigated. Investigating construct validity, we use factor analysis , and also investigating discriminant validity, math anxiety scale (from Betz) was used, because there is a negative relation between math self concept and math anxiety. Investigating discriminant validity, we use a difference between 3 course of education in students. T and Z scores were used for normalization of scale.
Findings:Reliability of this scale was 0/898 and discriminant validity was meaningful, that is show a meaningful difference between 3 courses and confirm discriminant validity of this scale. Result of construct- related validity shows 3 factors in this scale.
The restructured scale can be beneficial for students in choosing their course of study and for measuring their affective to math
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