The role of campus greenspace and meditation on college students' mood disturbance.

To determine whether students who engage in a sedentary task in an urban park-like setting experience improved mood and whether this effect is moderated by mindfulness meditation. 234 (133 females) undergraduate students, who either engaged in outdoor recreation frequently or infrequently. Participants engaged in 20 minutes of mindfulness meditation or a control task, either in a campus park-like setting or in a quiet room indoors.