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Examining the inseparability of content knowledge from LSP reading ability: an approach combining bifactor-multidimensional item response theory and structural equation modeling
Cai, Yuyang; Kunnan, Antony John
2018
Source PublicationLANGUAGE ASSESSMENT QUARTERLY
ISSN1543-4303
Volume15Issue:2Pages:109-129
AbstractThis study examined the separability of domain-general and domain-specific content knowledge from Language for Specific Purposes (LSP) reading ability. A pool of 1,491 nursing students in China participated by responding to a nursing English test and a nursing knowledge test. Primary data analysis involved four steps: (a) conducting a bifactor-multidimensional item response theory model (bifactor-MIRT) analysis to establish measurement validity for the assumed domain-general factor and domain-specific factors underlying each test and to compute bifactor-MIRT direct scores; (b) transforming the bifactor-MIRT scores into composite scores; (c) conducting a confirmatory factor analysis with the composite scores to reconstruct the orginal bifactor-MIRT models, and (d) conducting a structural equation modeling analysis to explore the relationship between nursing knowledge factors (domain-general and domain-specific) and the nursing English reading factors (domain-general and domain-specific). The results showed that the domain-specific passage factors were significantly correlated with their corresponding domain-specific nursing knowledge factors and that domain-general nursing knowledge significantly predicted the variance of the domain-general reading factor. Overall, we concluded that content knowledge is inseparable from LSP reading ability. The implications for understanding LSP ability and for LSP reading test scoring are discussed.
DOI10.1080/15434303.2018.1451532
URLView the original
Indexed BySSCI ; AHCI
Language英语
WOS Research AreaPsychology ; Linguistics
WOS SubjectPsychology, Educational ; Linguistics ; Language & Linguistics
WOS IDWOS:000435123300001
PublisherROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
The Source to ArticleWOS
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
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Cai, Yuyang,Kunnan, Antony John. Examining the inseparability of content knowledge from LSP reading ability: an approach combining bifactor-multidimensional item response theory and structural equation modeling[J]. LANGUAGE ASSESSMENT QUARTERLY,2018,15(2):109-129.
APA Cai, Yuyang,&Kunnan, Antony John.(2018).Examining the inseparability of content knowledge from LSP reading ability: an approach combining bifactor-multidimensional item response theory and structural equation modeling.LANGUAGE ASSESSMENT QUARTERLY,15(2),109-129.
MLA Cai, Yuyang,et al."Examining the inseparability of content knowledge from LSP reading ability: an approach combining bifactor-multidimensional item response theory and structural equation modeling".LANGUAGE ASSESSMENT QUARTERLY 15.2(2018):109-129.
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