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Dispositional affectivity and job performance : mediating effects of job satisfaction

Öz, Bahar
In the present study, the relationship between dispositional affectivity and job performance was investigated under the potential mediating effects of job satisfaction. The study was conducted in three phases. In Phase I, the scale development phase, an assistant evaluation form (AEF) was developed by collecting job analytic information from 35 Teaching Assistants (TAs) and critical incidents from 38 faculty members from a wide range of departments in Middle East Technical University (METU). In the second phase of the study, the pilot study, factor structure of the AEF was examined using principle component analyses. Pilot data were gathered from the faculty members working in different departments at METU. Results yielded two factors underlying the AEF. The first factor was named task performance, the second factor was named contextual performance. In the main study phase of the study, hypotheses were tested by gathering dispositional affectivity and job satisfaction data from 103 TAs, and performance evaluation data from 103 instructors whom the TAs had worked with during the previous semester. Results supported only the hypothesis stating that positive affectivity (PA) would predict job satisfaction. Results are discussed along with the limitations of the study and suggestions for future research