The effect of contact with natural environments on positive and negative affect: A meta-analysis

  title={The effect of contact with natural environments on positive and negative affect: A meta-analysis},
  author={Ethan A. McMahan and David C. Estes},
  journal={The Journal of Positive Psychology},
  pages={507 - 519}
A growing body of empirical research suggests that brief contact with natural environments improves emotional well-being. The current study synthesizes this body of research using meta-analytic techniques and assesses the mean effect size of exposure to natural environments on both positive and negative affect. Thirty-two studies with a total of 2356 participants were included. Across these studies, exposure to natural environments was associated with a moderate increase in positive affect and… 

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