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The effect of interventionist dynamic assessment on Iranian EFL learners’ vocabulary learning and retention: a sociocultural inquiry

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Title: The effect of interventionist dynamic assessment on Iranian EFL learners’ vocabulary learning and retention: a sociocultural inquiry
Authors: Malihe YarAhmadi, Hossein Kargar Behbahani
Source: Language Testing in Asia, Vol 15, Iss 1, Pp 1-17 (2025)
Publisher Information: SpringerOpen, 2025.
Publication Year: 2025
Collection: LCC:Language and Literature
Subject Terms: Dynamic assessment, Interventionist dynamic assessment, Sociocultural theory, Vocabulary learning and retention, Zone of proximal development, Language and Literature
Description: Abstract Traditional approaches to language assessment have been criticized for their inadequacy in taking account of language learners’ potential for development. To obviate this pitfall in traditional assessment, language teachers and researchers have been paying increasing attention to dynamic assessment (DA), which is rooted in Vygotsky’s (1978) sociocultural theory (SCT). This study investigated the potential of the interventionist approach to DA in facilitating vocabulary learning and retention among Iranian English-as-a-Foreign-Language (EFL) learners. To this end, adopting a quantitative quasi-experimental pretest–posttest-delayed posttest control group design, 80 pre-intermediate learners from two intact classes from a university in South Iran were randomly divided into two conditions: an experimental group (EG), which received DA-based treatment with appropriate scaffolding and zone of proximal development (ZPD)-sensitive instruction; and a control group (CG), which, in contrast to the EG, received traditional vocabulary instruction with the teacher merely providing direct translation of the target vocabulary. Pretests, posttests, and delayed posttests were administered to measure the knowledge of the target vocabulary across the three time occasions. The conduct of an inferential multivariate test of significance demonstrated that the learners in both conditions had very limited baseline knowledge of the target words. However, the test of significance revealed that the ZPD-sensitive instruction significantly boosted the learners’ vocabulary learning and retention. This suggests that the interventionist approach to DA not only has short-term effects on vocabulary learning, but also facilitates vocabulary retention among Iranian university-level EFL learners. The implications of the study for various stakeholders in language pedagogy are discussed.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2229-0443
Relation: https://doaj.org/toc/2229-0443
DOI: 10.1186/s40468-024-00337-6
Access URL: https://doaj.org/article/821112f9eb8d4a888a15253c21380cee
Accession Number: edsdoj.821112f9eb8d4a888a15253c21380cee
Database: Directory of Open Access Journals
Description
Abstract:Abstract Traditional approaches to language assessment have been criticized for their inadequacy in taking account of language learners’ potential for development. To obviate this pitfall in traditional assessment, language teachers and researchers have been paying increasing attention to dynamic assessment (DA), which is rooted in Vygotsky’s (1978) sociocultural theory (SCT). This study investigated the potential of the interventionist approach to DA in facilitating vocabulary learning and retention among Iranian English-as-a-Foreign-Language (EFL) learners. To this end, adopting a quantitative quasi-experimental pretest–posttest-delayed posttest control group design, 80 pre-intermediate learners from two intact classes from a university in South Iran were randomly divided into two conditions: an experimental group (EG), which received DA-based treatment with appropriate scaffolding and zone of proximal development (ZPD)-sensitive instruction; and a control group (CG), which, in contrast to the EG, received traditional vocabulary instruction with the teacher merely providing direct translation of the target vocabulary. Pretests, posttests, and delayed posttests were administered to measure the knowledge of the target vocabulary across the three time occasions. The conduct of an inferential multivariate test of significance demonstrated that the learners in both conditions had very limited baseline knowledge of the target words. However, the test of significance revealed that the ZPD-sensitive instruction significantly boosted the learners’ vocabulary learning and retention. This suggests that the interventionist approach to DA not only has short-term effects on vocabulary learning, but also facilitates vocabulary retention among Iranian university-level EFL learners. The implications of the study for various stakeholders in language pedagogy are discussed.
ISSN:22290443
DOI:10.1186/s40468-024-00337-6