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Enhancing the acute psychological benefits of green exercise: An investigation of expectancy effects

Flowers, Elliott P and Freeman, Paul and Gladwell, Valerie F (2018) 'Enhancing the acute psychological benefits of green exercise: An investigation of expectancy effects.' Psychology of Sport and Exercise, 39. 213 - 221. ISSN 1469-0292

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Abstract

Objective Exercising in the presence of a natural environment (termed green exercise) appears to provide addition benefits compared to indoor exercise. We assessed the impact of a green exercise promotional video on the acute psychological benefits of green-outdoor and indoor exercise. Design Participants were randomly assigned to one of four groups. Two groups undertook green exercise (with one of these groups watching a green exercise promotional video). The other two groups undertook indoor exercise (with one of these groups watching the promotional video). The green-outdoor and indoor exercise conditions were created to replicate those of a previous study (Rogerson, Gladwell, Gallagher, & Barton, 2016b). The promotional video was designed to highlight benefits of green exercise and was used to manipulate expectations of acute green exercise. Method Participants (N = 60) completed 15-min of moderate-intensity cycling, with self-esteem, vigour (dependent variables), and attitudes (manipulation check) assessed pre- and post-activity. Measures of physical activity and green exercise levels were also recorded at baseline. Results The findings suggest that green exercise elicits greater psychological benefits than indoor exercise, and those benefits can be increased via expectancy modification. In contrast, the same expectancy modification suppressed the psychological benefits of cycling indoors. Conclusions A promotional video can further enhance the affective response to green exercise. This may help to encourage future physical activity participation holding great promise for researchers, practitioners and policy makers.

Item Type: Article
Uncontrolled Keywords: Green exercise, Placebo, Nocebo, Vigour, Self-esteem, Attitude
Subjects: B Philosophy. Psychology. Religion > BF Psychology
G Geography. Anthropology. Recreation > GV Recreation Leisure > GV557 Sport
Divisions: Faculty of Science and Health > Sport, Rehabilitation and Exercise Sciences, School of
Depositing User: Elements
Date Deposited: 04 Sep 2018 09:43
Last Modified: 27 Sep 2018 09:15
URI: http://repository.essex.ac.uk/id/eprint/22922

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