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Validation of the Basic Psychological Needs in Exercise Scale in a Portuguese sample.
João Miguel Raimundo Peres Moutão1, Luis Filipe Cid Serra, José Augusto Marinho Alves
1Escola Superior de Desporto de Rio Maior, Av. Dr. Mário Soares, Pavilhão Multiusos 2040-413 Rio Maior, Portugal. jmoutao@esdrm.ipsantarem.pt
The Spanish Journal of Psychology
|March 3, 2012
Summary
This study validated the Portuguese version of the Basic Psychological Needs in Exercise Scale (BPNES). The findings confirm its reliability for assessing autonomy, competence, and relatedness needs in Portuguese exercise settings.
Area of Science:
- Sport and Exercise Psychology
- Psychological Measurement
Background:
- Self-determination theory (SDT) posits that satisfying basic psychological needs (autonomy, competence, relatedness) predicts optimal functioning in exercise.
- A valid instrument is needed to assess these needs among Portuguese exercise participants to test SDT's causal links.
Purpose of the Study:
- To translate the Basic Psychological Needs in Exercise Scale (BPNES) into Portuguese.
- To validate the translated BPNES for use with Portuguese exercise participants.
Main Methods:
- Translation and cultural adaptation of the BPNES.
- Confirmatory factor analysis (CFA) and internal consistency analysis.
- Data collected from 522 Portuguese exercise participants.
Main Results:
- The translated BPNES demonstrated strong internal consistency for its subscales.
- CFA supported a good fit for the correlated 3-factor model, aligning with SDT constructs.
- The scale is reliable for measuring psychological need fulfillment in this population.
Conclusions:
- The Portuguese version of the BPNES is a valid and reliable tool.
- It can be used to assess basic psychological need fulfillment in Portuguese exercise contexts.
- Facilitates further research on SDT in this population.
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