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Motivational processes in physical education and objectively measured physical activity among adolescents

PURPOSE: Grounded in self-determination theory (SDT), the present study tested how students’ perceptions of autonomy support from physical education teachers predicts objectively measured moderate-to-vigorous physical activity (MVPA) of adolescents. According to SDT, it was expected that psychologic...

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Autores principales: Kalajas-Tilga, Hanna, Koka, Andre, Hein, Vello, Tilga, Henri, Raudsepp, Lennart
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Shanghai University of Sport 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7498624/
https://www.ncbi.nlm.nih.gov/pubmed/32928449
http://dx.doi.org/10.1016/j.jshs.2019.06.001
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author Kalajas-Tilga, Hanna
Koka, Andre
Hein, Vello
Tilga, Henri
Raudsepp, Lennart
author_facet Kalajas-Tilga, Hanna
Koka, Andre
Hein, Vello
Tilga, Henri
Raudsepp, Lennart
author_sort Kalajas-Tilga, Hanna
collection PubMed
description PURPOSE: Grounded in self-determination theory (SDT), the present study tested how students’ perceptions of autonomy support from physical education teachers predicts objectively measured moderate-to-vigorous physical activity (MVPA) of adolescents. According to SDT, it was expected that psychological needs and autonomous and controlled forms of motivation would mediate these relationships. METHODS: Students (n = 397) aged from 11 to 15 years in 17 different schools filled in questionnaires regarding SDT variables. In addition, objective MVPA was measured using an accelerometer (ActiGraph GT3X; ActiGraph, Pensacola, FL, USA) for 7 days. Structural equation modelling was used to examine the hypothesized relationships among the study variables. RESULTS: The theory-based model showed a good fit with the data: χ(2) = 642.464, df = 257; comparative fit index = 0.932; non-normed fit index = 0.921; root mean square error of approximation = 0.062; root mean square error of approximation 90% confidence interval: 0.054–0.067. As hypothesized, there was a significant and positive direct relationship between autonomy support and need satisfaction (β = 0.81, p = 0.001). In turn, need satisfaction positively predicted intrinsic motivation (β = 0.86, p = 0.001). Intrinsic motivation was positively related to MVPA (β = 0.29, p = 0.009). A significant indirect effect (β = 0.20, p = 0.004) supported the mediating role of psychological need satisfaction and intrinsic motivation in the relationship between perceived autonomy support and objectively measured MVPA. CONCLUSION: The findings of the current study support the applicability of the SDT-based model in explaining the antecedents of objectively measured MVPA of adolescents. To enhance adolescents’ daily MVPA, special focus should be put on increasing their intrinsic motivation toward physical education.
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spelling pubmed-74986242020-09-28 Motivational processes in physical education and objectively measured physical activity among adolescents Kalajas-Tilga, Hanna Koka, Andre Hein, Vello Tilga, Henri Raudsepp, Lennart J Sport Health Sci Original Article PURPOSE: Grounded in self-determination theory (SDT), the present study tested how students’ perceptions of autonomy support from physical education teachers predicts objectively measured moderate-to-vigorous physical activity (MVPA) of adolescents. According to SDT, it was expected that psychological needs and autonomous and controlled forms of motivation would mediate these relationships. METHODS: Students (n = 397) aged from 11 to 15 years in 17 different schools filled in questionnaires regarding SDT variables. In addition, objective MVPA was measured using an accelerometer (ActiGraph GT3X; ActiGraph, Pensacola, FL, USA) for 7 days. Structural equation modelling was used to examine the hypothesized relationships among the study variables. RESULTS: The theory-based model showed a good fit with the data: χ(2) = 642.464, df = 257; comparative fit index = 0.932; non-normed fit index = 0.921; root mean square error of approximation = 0.062; root mean square error of approximation 90% confidence interval: 0.054–0.067. As hypothesized, there was a significant and positive direct relationship between autonomy support and need satisfaction (β = 0.81, p = 0.001). In turn, need satisfaction positively predicted intrinsic motivation (β = 0.86, p = 0.001). Intrinsic motivation was positively related to MVPA (β = 0.29, p = 0.009). A significant indirect effect (β = 0.20, p = 0.004) supported the mediating role of psychological need satisfaction and intrinsic motivation in the relationship between perceived autonomy support and objectively measured MVPA. CONCLUSION: The findings of the current study support the applicability of the SDT-based model in explaining the antecedents of objectively measured MVPA of adolescents. To enhance adolescents’ daily MVPA, special focus should be put on increasing their intrinsic motivation toward physical education. Shanghai University of Sport 2020-09 2019-06-08 /pmc/articles/PMC7498624/ /pubmed/32928449 http://dx.doi.org/10.1016/j.jshs.2019.06.001 Text en © 2019 Published by Elsevier B.V. on behalf of Shanghai University of Sport. http://creativecommons.org/licenses/by-nc-nd/4.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Original Article
Kalajas-Tilga, Hanna
Koka, Andre
Hein, Vello
Tilga, Henri
Raudsepp, Lennart
Motivational processes in physical education and objectively measured physical activity among adolescents
title Motivational processes in physical education and objectively measured physical activity among adolescents
title_full Motivational processes in physical education and objectively measured physical activity among adolescents
title_fullStr Motivational processes in physical education and objectively measured physical activity among adolescents
title_full_unstemmed Motivational processes in physical education and objectively measured physical activity among adolescents
title_short Motivational processes in physical education and objectively measured physical activity among adolescents
title_sort motivational processes in physical education and objectively measured physical activity among adolescents
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7498624/
https://www.ncbi.nlm.nih.gov/pubmed/32928449
http://dx.doi.org/10.1016/j.jshs.2019.06.001
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