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The roles of aptitude and working memory in L2 learners' processing and incidental learning of technical vocabulary during video-lecture-based tasks

Shi, Danni; Revesz, Andrea; Pellicer-Sanchez, Ana; (2025) The roles of aptitude and working memory in L2 learners' processing and incidental learning of technical vocabulary during video-lecture-based tasks. System , 133 , Article 103749. 10.1016/j.system.2025.103749. Green open access

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Abstract

This study explored how aptitude and working memory affect second language (L2) learners' processing and incidental learning of technical vocabulary from a video-lecture-based task. Twenty-nine Chinese learners of L2 English performed the task, during which they watched an introductory lecture while taking notes. Eleven technical words presented in lecture diagrams were selected as target words. Participants' visual attention to the target words was captured using an eye-tracker. Following the task, participants completed an unannounced vocabulary post-test, a free recall test, and a set of aptitude tests. Two weeks after the treatment, a delayed vocabulary post-test and a battery of working memory tests were administered. Results from mixed-effects models revealed that working memory significantly predicted learners' learning of technical vocabulary. However, neither aptitude nor working memory emerged as significant predictors of learners’ visual attention to the target words.

Type: Article
Title: The roles of aptitude and working memory in L2 learners' processing and incidental learning of technical vocabulary during video-lecture-based tasks
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.system.2025.103749
Publisher version: https://doi.org/10.1016/j.system.2025.103749
Language: English
Additional information: This work is licensed under a Creative Commons License. The images or other third-party material in this article are included in the Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Keywords: Social Sciences, Education & Educational Research, Linguistics, Aptitude, Working memory, Technical vocabulary, Incidental learning, Lecture viewing, Eye-tracking, 2ND-LANGUAGE, ACQUISITION, VALIDITY
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education > IOE - Culture, Communication and Media
URI: https://discovery.ucl.ac.uk/id/eprint/10213077
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