When Transfer Falls Short: Testing the Full Transfer/Full Access Hypothesis in Thai Learners' Acquisition of the English Progressive Aspect.

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Title: When Transfer Falls Short: Testing the Full Transfer/Full Access Hypothesis in Thai Learners' Acquisition of the English Progressive Aspect.
Authors: Petkaew, Jarrawee1, Ruangjaroon, Sugunya1
Source: Journal of Language Teaching & Research. Jul2026, Vol. 17 Issue 4, p1232-1243. 12p.
Subject Terms: *Second language acquisition, *Language acquisition, *Language teachers, Morphosyntax, Thai people
Abstract: The morphosyntactic-semantic interface of the progressive in English and in Thai is presented in this paper, with a focus on the extent to which their semantic construals overlap and diverge, as well as how they are acquired. Following the Full Transfer/Full Access Hypothesis (FT/FA), we predict that only high-proficiency first language (L1) Thai learners will acquire the English progressive, including on-going, stative, habitual, iterative, and future interpretations. To test this, we investigated whether low-, mid-, and high-proficiency learners transferred from their L1 and/or accessed Universal Grammar (UG) when acquiring the English progressive syntax-semantics across five readings. Data were collected from 100 participants using a Grammaticality Judgement Task (GJT) and an Elicited Production Task (EPT). The results showed that, overall, the prediction was not fully borne out: Lower-proficiency learners exhibited no evidence of L1 transfer/FA, despite the partial morphosyntactic and semantic overlap between Thai and English. Intermediate learners performed modestly better yet followed a similar pattern. Advanced learners showed evidence of FT/FA to UG by accepting a wider range of progressive uses and producing some nonprototypical forms (stative, iterative, habitual, and future readings). [ABSTRACT FROM AUTHOR]
Copyright of Journal of Language Teaching & Research is the property of Academy Publication Co., LTD and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Language+Teaching+%26+Research%22">Journal of Language Teaching & Research</searchLink>. Jul2026, Vol. 17 Issue 4, p1232-1243. 12p.
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  Data: The morphosyntactic-semantic interface of the progressive in English and in Thai is presented in this paper, with a focus on the extent to which their semantic construals overlap and diverge, as well as how they are acquired. Following the Full Transfer/Full Access Hypothesis (FT/FA), we predict that only high-proficiency first language (L1) Thai learners will acquire the English progressive, including on-going, stative, habitual, iterative, and future interpretations. To test this, we investigated whether low-, mid-, and high-proficiency learners transferred from their L1 and/or accessed Universal Grammar (UG) when acquiring the English progressive syntax-semantics across five readings. Data were collected from 100 participants using a Grammaticality Judgement Task (GJT) and an Elicited Production Task (EPT). The results showed that, overall, the prediction was not fully borne out: Lower-proficiency learners exhibited no evidence of L1 transfer/FA, despite the partial morphosyntactic and semantic overlap between Thai and English. Intermediate learners performed modestly better yet followed a similar pattern. Advanced learners showed evidence of FT/FA to UG by accepting a wider range of progressive uses and producing some nonprototypical forms (stative, iterative, habitual, and future readings). [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Language Teaching & Research is the property of Academy Publication Co., LTD and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.17507/jltr.1704.10
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 1232
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      – SubjectFull: Second language acquisition
        Type: general
      – SubjectFull: Language acquisition
        Type: general
      – SubjectFull: Language teachers
        Type: general
      – SubjectFull: Morphosyntax
        Type: general
      – SubjectFull: Thai people
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      – TitleFull: When Transfer Falls Short: Testing the Full Transfer/Full Access Hypothesis in Thai Learners' Acquisition of the English Progressive Aspect.
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              Text: Jul2026
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              Y: 2026
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