A researcher investigates the impact of color and lighting on mood at work.He manipulates the paint used in offices, including the presentation of four different colors.He also manipulates lighting by using three different lighting conditions.The null hypothesis for the interaction in this study would be:
A) mood at work is not dependent on paint color.
B) the effect of lighting condition will be present regardless of office color.
C) the effect of office color is not dependent on the type of lighting condition.
D) mood at work will vary across levels of office color and lighting condition.

Question

Quizplus · Accepted Answer

The null hypothesis for the interaction in this study would be that the effect of office color is not dependent on the type of lighting condition. This means that regardless of the lighting condition, the paint color used in the offices will not have an impact on the mood of the workers.

A Researcher Investigates the Impact of Color and Lighting on Mood