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. 2021 Apr 9:29:e3420.
doi: 10.1590/1518-8345.3848.3420. eCollection 2021.

Academic motivation scale - reliability and validity evidence among undergraduate nursing students

[Article in English, Portuguese, Spanish]
Geisa Colebrusco de Souza  1 , Everson Meireles  2 , Vera Lúcia Mira  3 , Maria Madalena Januário Leite  3
Affiliations

Academic motivation scale - reliability and validity evidence among undergraduate nursing students

[Article in English, Portuguese, Spanish]
Geisa Colebrusco de Souza et al. Rev Lat Am Enfermagem. .

Abstract
in English, Portuguese, Spanish

Objective: to assess the evidence of validity and reliability of the academic motivation scale (AMS) based on the internal structure.

Method: this is a methodological study with 205 undergraduate nursing students. Dimensionality/internal structure of the AMS was assessed using factor analysis in the context of exploratory structural equation modeling (ESEM) and reliability of the factors was assessed by Cronbach's alpha (α) coefficient and composite reliability (CR) coefficient.

Results: acceptable fit indexes were obtained (CFI = 0.92; RMSEA = 0.07; SRMR = 0.06) for a three-dimensional model: intrinsic motivation (10 items; α = 0.84; CR = 0.86); extrinsic motivation (8 items; α = 0.84; CR = 0.90); and demotivation (4 items; α = 0.84; CR = 0.88). A significant correlational pattern was found for the motivation continuum.

Conclusion: the dimensionality analysis for the AMS presented a model with three factors: intrinsic motivation, extrinsic motivation and demotivation, and was considered a reduced alternative to the original version of seven factors. This study helped assess the validity of the measurement instrument and its theory refinement; further studies should be conducted to assess its invariance property.

Objetivo:: avaliar as evidências de validade e a confiabilidade da Escala de Motivação Acadêmica (EMA) com base na estrutura interna.

Método:: pesquisa metodológica realizada com 205 estudantes de graduação em Enfermagem. A dimensionalidade/estrutura interna da EMA foi avaliada por meio de análises fatoriais, no contexto de Modelagens de Equações Estruturais Exploratórias (ESEM) e a confiabilidade dos fatores foi aferida pelos coeficientes alfa de Cronbach (α) e Confiabilidade Composta (CC).

Resultados:: foram obtidos índices de ajuste aceitáveis (CFI = 0,92; RMSEA = 0,07; SRMR = 0,06) para um modelo tridimensional: Motivação Intrínseca (10 itens; α = 0,84; CC = 0,86); Motivação Extrínseca (08 itens; α = 0,84; CC = 0,90); e Desmotivação (04 itens; α = 0,84; CC = 0,88). Encontrou-se padrão correlacional significativo para o continuum de motivação.

Conclusão:: a análise da dimensionalidade da EMA alcançou um modelo de três fatores: Motivação Intrínseca, Motivação Extrínseca e Desmotivação, sendo considerada uma alternativa parcimoniosa à versão original de sete fatores. Este estudo contribuiu para a avaliação da validade do instrumento de medida e seu refinamento teórico, apontando a necessidade de que investigações futuras avaliem sua propriedade de invariância.

Objetivo:: evaluar las evidencias de validez y confiabilidad de la Escala de Motivación Académica (EMA) en base a la estructura interna.

Método:: estudio metodológico realizado con 205 estudiantes del curso de Enfermería. La dimensionalidad/estructura interna de la EMA fue evaluada por análisis factorial contextualizado en los Modelos de Ecuaciones Estructurales Exploratorias (ESEM). La confiabilidad de los factores fue comprobada por los coeficientes Alfa de Cronbach (α) y Confiabilidad Compuesta (CC).

Resultados:: fueron obtenidos índices de ajuste aceptables (CFI = 0,92; RMSEA = 0,07; SRMR = 0,06) para un modelo tridimensional: motivación intrínseca (10 ítems; α = 0,84; CC = 0,88), motivación extrínseca (08 ítems; α = 0,84; CC = 0,90) y desmotivación (04 ítems; α = 0,84. CC = 0,88). Se encontró estándar correlacional significativo para el continuum de motivación.

Conclusión:: el análisis de dimensionalidad de EMA alcanzó un modelo de tres factores: motivación intrínseca, motivación extrínseca y desmotivación, considerándoselo una alternativa simplificada de la versión original de siete factores. El estudio contribuyó evaluando la validez del instrumento de medición en su refinamiento teórico, destacando la necesidad de que su invariancia sea evaluada en investigaciones futuras.

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Conflict of interest statement

Conflict of interest: the authors have declared that there is no conflict of interest.

Figures

Figure 1
Figure 1. Sediment graph of the parallel analysis for the academic motivation scale. São Paulo, SP, Brazil, 2014
See this image and copyright information in PMC

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