ORIGINAL RESEARCH article
Front. Educ.
Sec. Assessment, Testing and Applied Measurement
Volume 10 - 2025 | doi: 10.3389/feduc.2025.1562101
Psychometric properties of the Strategy Inventory for Language Learning (SILL) in Peruvian university students
Provisionally accepted
Nataly Susan Saez-Zevallos*
Denis Frank Cunza Aranzábal
Carlos D. Abanto-Ramírez
Danitza Elfi Montalvo-Apolín*- Unidad de Postgrado de Ciencias Humanas y de la Educación, Universidad Peruana Unión, Lima 15464, Perú, Lima, Peru
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Background: In contemporary academia, proficiency in a second language, particularly English, is of significant importance for university students. The objective of this research is to determine the validity and reliability properties of the Strategy Inventory for Language Learning (SILL) among Peruvian university students. Methods: 610 Peruvian university students, aged between 18 and 50 years (M = 22.8; SD = 5.90), participated in the study. Statistical techniques for latent variables were employed, and recommendations for determining the psychometric properties of educational and psychological tests were followed. Results: The results show that the SILL exhibits an internal structure organized into six first-order factors and one second-order factor, consistent with the theoretical proposal. This structure was confirmed through CFA with excellent goodness-of-fit indices (c 2 = 222.254, df = 129, p = 0.000, RMSEA = 0.034, SRMR = 0.037, CFI = 0.971, TLI = 0.966). The inventory also demonstrates adequate internal consistency for its six factors, as well as for the complete inventory (α/ω/H > 0.7), and is invariant according with gender (male and female), geographical location (coast, mountains and jungle) age (late adolescence and early adulthood), and English educational level (A and B). Concussion: It's concluded that the SILL is a measurement instrument that demonstrates validity, factorial invariance, and high reliability in its scores. Consequently, it can be utilized in future academic research.
Keywords: Language learning strategies1, English language 2, university students 3, validity4, reliability5
Received: 16 Jan 2025; Accepted: 24 Apr 2025.
Copyright: © 2025 Saez-Zevallos, Cunza Aranzábal, Abanto-Ramírez and Montalvo-Apolín. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Nataly Susan Saez-Zevallos, Unidad de Postgrado de Ciencias Humanas y de la Educación, Universidad Peruana Unión, Lima 15464, Perú, Lima, Peru
Danitza Elfi Montalvo-Apolín, Unidad de Postgrado de Ciencias Humanas y de la Educación, Universidad Peruana Unión, Lima 15464, Perú, Lima, Peru
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