LOCUS OF CONTROL TYPE IMPACT WITHIN INSTRUCTOR'S BEHAVIORAL STYLE AND STUDENTS' JOB SATISFACTION IN COMPLETING THESIS AT FACULTY OF MATHEMATICS AND NATURAL SCIENCE IN MEDAN STATE UNIVERSITY

The managerial system is essential as an organization in an university is to manage learning process and students’ guidance. In respect to the thesis’ instructor required to concure between leadership style and student’s external-internal variables. Very endeavors to meet students’ satisfaction (called as an indicator of effective organization) in the scope of Medan State University (UNIMED), its necessary to recognize instructor’s leadership style and students’ characteristics amid guiding students. Self-evaluation data in 2011 inferred 40% students were dissatisfied with. This research is to unveil about whether instructor’s leadership style and/or locus of control contributed to students’ job satisfaction in manner of completing thesis. This research took samples from 200 students who were completing thesis and technical analysis used variance analysis (ANOVA) two factors. Calculative figure of examined behavioral style impact was Fcount = 7.14 > Ftable. Locus of control impact was Fcount = 7.46 > Ftable and interaction was Fcount = 9.21 > Ftable. This figure inferred an immediate impact between leadership style and locus of control partially or completely imposed significant influence toward students’ job satisfaction in completing thesis. The students with internal locus of control type are relevant guided by supportive, participative prestigious oriented instructor but not cooperative guided by directive style. Students with external locus of control are tolerantly guided by participative, supportive instructor but contradictory with directive and prestigious oriented instructor. Moderate leadership style is compatible to participative instructor.