A Researcher Wants to Assess If the Time of Day

Essay

A researcher wants to assess if the time of day during which one works affects job satisfaction. A study compared job satisfaction for day-shift nurses versus night-shift nurses. Independent samples of nurses from each group were obtained and their job satisfaction was measured on a numerical scale with higher scores indicating greater satisfaction. Identify the appropriate parameter for this situation and name an appropriate technique that might be performed provided the underlying assumptions are met.