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Revista Latinoamericana de Psicología

versão impressa ISSN 0120-0534


MARENTES-CASTILLO, María; ZAMARRIPA, Jorge  e  CASTILLO, Isabel. Validation of the Grit Scale and the Treatment Self-Regulation Questionnaire (TSRQ) in the Mexican context. rev.latinoam.psicol. [online]. 2019, vol.51, n.1, pp.9-18. ISSN 0120-0534.

The lack of valid tools to measure variables related to healthy behaviors in Mexico has led the authors to adapt and validate the Grit Scale and the Treatment Self-Regulation Questionnaire (TSRQ) for diet into Mexican Spanish, and explore the relationship between grit and types of motivation towards healthy eating as evidence of validity. The Grit Scale and the TSRQ in Spanish were put to 353 adults from the state of Nuevo León, Mexico. The Grit Scale was composed of 12 items distributed into two factors (consistency of interest and perseverance of effort), and the TSRQ for diet was composed of 15 items distributed into three factors (autonomous motivation, controlled motivation, and amotivation). Results showed acceptable fit indices for the long and short versions of the Grit Scale, confirming its two-factor structure. In addition, acceptable fit indices were found for the TSRQ for diet, indicating the presence of three latent factors. Significant and positive relationships were found between grit and autonomous motivation, and negative relationships with controlled and amotivation. The analyses carried out indicated that the instruments administrated are valid and reliable tools for use in Mexico.

Palavras-chave : Grit; personality; motivation; diet; adults; Mexico.

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