Final answer:
The term that refers to working hard because it is believed that it will increase the chance for a promotion, according to Julian Rotter, is Internal locus of control.
Step-by-step explanation:
The term that refers to working hard because it is believed that it will increase the chance for a promotion, according to Julian Rotter, is Internal locus of control. According to Rotter, individuals with an internal locus of control believe that they have control over their outcomes and that their effort and actions can lead to success. On the other hand, individuals with an external locus of control believe that their outcomes are determined by external factors or luck.