To control and to identify possible effects that were not considered in this study, future study can include more variables, such as demographic characteristics, personal characteristics, abilities, and needs for goal achievement in examining employee motivation. Adding other variables to the expectancy theory model could enhance its validity in the behavioral criterion. Additional studies might investi-gate more demographically diverse groups of employees to determine whether different motivation strategies should be used. Motivation is complex, so continuous in-depth study will help the managers of the hotel industry motivate employees effectively.