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Bhargava and Ishizuka's BI-method: A neglected method for variable selection
SHING ON LEUNG1; JOHN SACHS2
2005
Source PublicationJournal of Experimental Education
ISSN0022-0973
Volume73Issue:4Pages:353-367
Abstract

Quite often in data reduction, it is more meaningful and economical to select a subset of variables instead of reducing the dimensionality of the variable space with principal components analysis. The authors present a neglected method for variable selection called the BI-method (R. P. Bhargava & T. Ishizuka, 1981). It is a direct, simple method that uses the same criterion - trace information-used in ordinary regression analysis. The authors begin by discussing the nature and properties of the BI-method and then show how it is different from other existing variable selection methods. Because the BI-method originally was applied to small datasets that had little or no relevance to psychology or education, the authors apply it to large datasets with relevance to the psychological and educational literature. Of particular interest was the application of the BI-method to select a subset of items from a large item pool. Two practical psychometric examples with 49 and 108 items, respectively, showed that item subsets selected with the BI-method reflected the underlying structure of the whole item pool and that the scales based on those item subsets showed good reliability and predictive validity. The appropriateness of this item selection method within the context of the domain-sampling model is discussed.

KeywordBi-method Item Selection Principal Components Principal Variables Variable Selection
DOI10.3200/JEXE.73.4.353-367
URLView the original
Indexed BySSCI ; SSCI
Language英語English
WOS Research AreaEducation & Educational Research ; Psychology
WOS SubjectEducation & Educational Research ; Psychology, Educational
WOS IDWOS:000231430700004
Scopus ID2-s2.0-30444438900
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Document TypeJournal article
CollectionFaculty of Education
Corresponding AuthorSHING ON LEUNG
Affiliation1.Faculty of Education,University of Macau,Taipa, Macau,Macao
2.University of Hong Kong,Hong Kong
First Author AffilicationFaculty of Education
Corresponding Author AffilicationFaculty of Education
Recommended Citation
GB/T 7714
SHING ON LEUNG,JOHN SACHS. Bhargava and Ishizuka's BI-method: A neglected method for variable selection[J]. Journal of Experimental Education, 2005, 73(4), 353-367.
APA SHING ON LEUNG., & JOHN SACHS (2005). Bhargava and Ishizuka's BI-method: A neglected method for variable selection. Journal of Experimental Education, 73(4), 353-367.
MLA SHING ON LEUNG,et al."Bhargava and Ishizuka's BI-method: A neglected method for variable selection".Journal of Experimental Education 73.4(2005):353-367.
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