This study aims to adapt and validate the Classroom Motivational Climate Questionnaire and Attribution of Motivational Changes to the Teacher Questionnaire, for their administration in Higher Education and thus having adequate instruments to assess motivational climate and student preferences in this educational level. Data from 624 university…

Among three levels of chemical representation, the sub-microscopic level is the most difficult to learn by students. To solve the problem, it is assumed that the concept of the discontinuous nature of matter or particle concept should be mastered initially by students before they learn sub-microscopic representations of further chemical phenomena.…