redundancy. MSE-2 was removed because of redundancies withMSE-1 and to reduce the length of the final MSE-SE scale. MSE-3 was also removed forunclear wording (i.e., because of the initial use of the term qualities rather than properties).Because MSE-7 and MSE-8 were examining the same concepts as MSE-9, they were removedfrom the scale. MSE-10 was similar to MSE-11 and hence removed. MSE-16 was removed as itwas similar to MSE-15. After discussion, both MSE-17 and MSE-18 were eliminated becausethese concepts were emphasized in general chemistry classes. MSE-20 was also taken out of thescale because some of the course instructors did not believe the reflected content that wasadequately covered during the course (time constraints in certain sections of