The influence of mathematical language proficiency on students’ conceptual understanding and overall mathematics development

This study investigated the influence of mathematical language proficiency on students’ conceptual understanding and overall mathematics development, with conceptual understanding posited as a mediating variable. A quantitative cross-sectional design was employed, utilizing a structured questionnaire adapted from validated instruments to collect data from 316 undergraduate students. Data were analyzed using Structural Equation Modeling (SEM) to test the hypothesized relationships. The results confirmed all research hypotheses: mathematical language proficiency had a significant direct effect on both mathematics development and conceptual understanding. Conceptual understanding, in turn, directly influenced mathematics development. Crucially, conceptual understanding was found to be a significant partial mediator in the relationship between mathematical language proficiency and mathematics development. The findings emphasize that proficiency in the specialized language of mathematics is a critical cognitive tool that not only directly facilitates development but also does so indirectly by building a robust conceptual foundation. While extensive research has explored linguistic impacts in early childhood education, this study addresses a critical gap by shifting the focus to the formal, abstract cognitive demands of undergraduate learning.