... that contain statements related to each measured factor. By using the Likert-type scale ranging from very dissatisfied=1, dissatisfied=2, sometimes not satisfied or sometimes satisfied=3, satisfied=4, ... for measuring job satisfaction. Smith et al. (1969) define five facets for measuring job satisfaction. Based on their instrument, job satisfaction consists of several facets, including satisfaction ... of 3 private airline companies in Iran which called Airline1, Airline2, and Airline3. We choose only private airlines that have more than 200 employees which consider as large private companies....