Dr. Gerudo hypothesizes that participants who spend time in a hot room will have worse moods than participants who spend time in a normal room. Participants were randomly assigned to spend 15 minutes in either a 95 degree room (experimental group; N1 = 14) or a 72 degree room (control group; N2 = 14). Afterwards they completed a mood measure. Scores could range from 1-20, with higher scores indicating a better mood