In general, females have been reported to be more susceptible to motion sickness and experience greater malaise. However, conflicting findings suggests that gender differences may be driven by susceptibility rather than gender. In this study, susceptibility was balanced within the genders and treatments to determine if gender differences are due to gender or susceptibility. Analysis of motion history questionnaire data found no significant differences between genders, but did find a significant difference between hi and low susceptibles. Analysis of Simulator Sickness Questionnaire total scores revealed consistent insignificant differences between the genders in all treatments and significant differences between hi and low susceptibles at all sampling points except baseline. Analyzing dropout and percent exposure duration completed data revealed an unsubstantial difference between genders, but did yield a dropout rate 2.3 times higher among high susceptibles compared to low susceptibles. As a result of the aforementioned findings, future research in motion sickness gender differences should account for susceptibility as a subject variable.