the aim of the current research was to identify and analyze students' perceptions of professors' teaching with the aim of discovering the most powerful dimensions of influence. This research was based on the correlation method and the statistical population, including four consecutive incoming students in Kashan University, in the conditions of face-to-face education before Corona, approximately five thousand people. The main tool for collecting data’s and measuring students' perceptions of professors' teaching is the institute's official survey form, which had 16 items. By using the mixed effects model in Stata software, the relationship between students' perceptions in the three dimensions of "scientific mastery and expressiveness", "effective lesson and class management" and "student motivation and respect", was checked with the final grade in the course and also with the GPA of the students by faculty. The findings showed that among the three dimensions, perceptions related to creating motivation by professors and establishing respectful communication have a significant positive effect on both the students' final grade and their GPA. According to the results of the present research and the role of students' motivation and respect perceived by professors in their academic progress, universities should seek to hold various training workshops in the field of communication skills, cooperative teaching methods, psychological topics of students and besides the importance to the official dimension of an educational organization that includes various tasks related to education, do not neglect the role that the informal dimension of the organization can have in improving the quality of human relations in the educational environment.