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Investigating the construct of productive vocabulary knowledge with Lex30. / Jonathan Clenton

Swansea University Author: Jonathan Clenton

Abstract

This thesis investigates the construct of productive vocabulary knowledge with a productive vocabulary task, Lex30. The task is designed to elicit up to four vocabulary items in response to each of 30 cues. In this way, Lex30 generates a corpus for each subject up to 120 words, which is then categor...

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Published: 2010
Institution: Swansea University
Degree level: Doctoral
Degree name: Ph.D
URI: https://cronfa.swan.ac.uk/Record/cronfa42281
first_indexed 2018-08-02T18:54:19Z
last_indexed 2019-10-21T16:47:32Z
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spelling 2018-08-15T10:46:57.0810238 v2 42281 2018-08-02 Investigating the construct of productive vocabulary knowledge with Lex30. 00b467f33a6d9c10a4b8c0daa5694a98 NULL Jonathan Clenton Jonathan Clenton true true 2018-08-02 This thesis investigates the construct of productive vocabulary knowledge with a productive vocabulary task, Lex30. The task is designed to elicit up to four vocabulary items in response to each of 30 cues. In this way, Lex30 generates a corpus for each subject up to 120 words, which is then categorised according to frequency bands. The test is scored according to the number, or proportion, of infrequent words elicited, with infrequent defined as all items excluding the most frequently occurring 1000 English words. The higher the Lex30 score, then, the more infrequent words that subject has produced in response to the cues. Each corpus generated by Lex30, therefore, offers information about subjects' relative knowledge of infrequent items, although this might only be threshold knowledge. A feature of Lex30 is that it appears to measure productive vocabulary knowledge discretely: it does not activate multiple aspects of language knowledge, and is not context engaging. This feature suggests that we can measure one of the many aspects that are commonly considered to constitute language knowledge, productive vocabulary knowledge, without interference from other aspects of language knowledge. Additionally, Lex30 offers the potential to hypothesize about subjects' relative L2 proficiency in terms of the proportion of infrequent items they provide. To investigate the construct of productive vocabulary with Lex30, this thesis examines, in a principled way, exactly what aspect of language competence it measures, and makes comparisons with other cognate tests. The test has been used in a number of contexts since its introduction; this thesis offers a thorough investigation of its reliability, different versions of the scoring system, the influence cue frequency and of specific cue items, and the mode of task delivery and response. The thesis concludes that Lex30 provides us with a helpful means to understand the construct of productive vocabulary knowledge. E-Thesis Language.;Linguistics. 31 12 2010 2010-12-31 COLLEGE NANME Department of Applied Linguistics COLLEGE CODE Swansea University Doctoral Ph.D 2018-08-15T10:46:57.0810238 2018-08-02T16:24:28.6825969 Faculty of Humanities and Social Sciences School of Culture and Communication - English Language, Tesol, Applied Linguistics Jonathan Clenton NULL 1 0042281-02082018162442.pdf 10797989.pdf 2018-08-02T16:24:42.1000000 Output 7501971 application/pdf E-Thesis true 2018-08-02T16:24:42.1000000 false
title Investigating the construct of productive vocabulary knowledge with Lex30.
spellingShingle Investigating the construct of productive vocabulary knowledge with Lex30.
Jonathan Clenton
title_short Investigating the construct of productive vocabulary knowledge with Lex30.
title_full Investigating the construct of productive vocabulary knowledge with Lex30.
title_fullStr Investigating the construct of productive vocabulary knowledge with Lex30.
title_full_unstemmed Investigating the construct of productive vocabulary knowledge with Lex30.
title_sort Investigating the construct of productive vocabulary knowledge with Lex30.
author_id_str_mv 00b467f33a6d9c10a4b8c0daa5694a98
author_id_fullname_str_mv 00b467f33a6d9c10a4b8c0daa5694a98_***_Jonathan Clenton
author Jonathan Clenton
author2 Jonathan Clenton
format E-Thesis
publishDate 2010
institution Swansea University
college_str Faculty of Humanities and Social Sciences
hierarchytype
hierarchy_top_id facultyofhumanitiesandsocialsciences
hierarchy_top_title Faculty of Humanities and Social Sciences
hierarchy_parent_id facultyofhumanitiesandsocialsciences
hierarchy_parent_title Faculty of Humanities and Social Sciences
department_str School of Culture and Communication - English Language, Tesol, Applied Linguistics{{{_:::_}}}Faculty of Humanities and Social Sciences{{{_:::_}}}School of Culture and Communication - English Language, Tesol, Applied Linguistics
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description This thesis investigates the construct of productive vocabulary knowledge with a productive vocabulary task, Lex30. The task is designed to elicit up to four vocabulary items in response to each of 30 cues. In this way, Lex30 generates a corpus for each subject up to 120 words, which is then categorised according to frequency bands. The test is scored according to the number, or proportion, of infrequent words elicited, with infrequent defined as all items excluding the most frequently occurring 1000 English words. The higher the Lex30 score, then, the more infrequent words that subject has produced in response to the cues. Each corpus generated by Lex30, therefore, offers information about subjects' relative knowledge of infrequent items, although this might only be threshold knowledge. A feature of Lex30 is that it appears to measure productive vocabulary knowledge discretely: it does not activate multiple aspects of language knowledge, and is not context engaging. This feature suggests that we can measure one of the many aspects that are commonly considered to constitute language knowledge, productive vocabulary knowledge, without interference from other aspects of language knowledge. Additionally, Lex30 offers the potential to hypothesize about subjects' relative L2 proficiency in terms of the proportion of infrequent items they provide. To investigate the construct of productive vocabulary with Lex30, this thesis examines, in a principled way, exactly what aspect of language competence it measures, and makes comparisons with other cognate tests. The test has been used in a number of contexts since its introduction; this thesis offers a thorough investigation of its reliability, different versions of the scoring system, the influence cue frequency and of specific cue items, and the mode of task delivery and response. The thesis concludes that Lex30 provides us with a helpful means to understand the construct of productive vocabulary knowledge.
published_date 2010-12-31T05:36:14Z
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score 11.096913

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