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Article: Bootstrap methods for comparing independent regression slopes

TitleBootstrap methods for comparing independent regression slopes
Authors
Ng, MWilcox, RR
Issue Date2012
PublisherThe British Psychological Society. The Journal's web site is located at http://www.bps.org.uk/publications/jMS_1.cfm
Citation
British Journal Of Mathematical And Statistical Psychology, 2012, v. 65 n. 2, p. 282-301 How to Cite?
DOI: http://dx.doi.org/10.1111/j.2044-8317.2011.02024.x
AbstractIn this study, we explore the effects of non-normality and heteroscedasticity when testing the hypothesis that the regression lines associated with multiple independent groups have the same slopes. The conventional approach involving the F-test and the t-test (F/t approach) is examined. In addition, we introduce two robust methods which allow simultaneous testing of regression slopes. Our results suggest that the F/t approach is extremely sensitive to violations of assumptions and tends to yield misleading conclusions. The new robust alternatives are recommended for general use. © 2011 The British Psychological Society.
Persistent Identifierhttp://hdl.handle.net/10722/139773
ISSN
0007-1102
2023 Impact Factor: 1.5
2023 SCImago Journal Rankings: 1.735
ISI Accession Number ID
WOS:000302870000007
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorNg, Men_HK
dc.contributor.authorWilcox, RRen_HK
dc.date.accessioned2011-09-23T05:55:46Z-
dc.date.available2011-09-23T05:55:46Z-
dc.date.issued2012en_HK
dc.identifier.citationBritish Journal Of Mathematical And Statistical Psychology, 2012, v. 65 n. 2, p. 282-301en_HK
dc.identifier.issn0007-1102en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139773-
dc.description.abstractIn this study, we explore the effects of non-normality and heteroscedasticity when testing the hypothesis that the regression lines associated with multiple independent groups have the same slopes. The conventional approach involving the F-test and the t-test (F/t approach) is examined. In addition, we introduce two robust methods which allow simultaneous testing of regression slopes. Our results suggest that the F/t approach is extremely sensitive to violations of assumptions and tends to yield misleading conclusions. The new robust alternatives are recommended for general use. © 2011 The British Psychological Society.en_HK
dc.languageengen_US
dc.publisherThe British Psychological Society. The Journal's web site is located at http://www.bps.org.uk/publications/jMS_1.cfmen_HK
dc.relation.ispartofBritish Journal of Mathematical and Statistical Psychologyen_HK
dc.titleBootstrap methods for comparing independent regression slopesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=2044-8317&volume=&spage=no&epage=no&date=2011&atitle=Bootstrap+methods+for+comparing+independent+regression+slopesen_US
dc.identifier.emailNg, M: marieng@hku.hken_HK
dc.identifier.authorityNg, M=rp01451en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.2044-8317.2011.02024.xen_HK
dc.identifier.pmid21827447-
dc.identifier.scopuseid_2-s2.0-84859812468en_HK
dc.identifier.hkuros192645en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84859812468&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume65en_HK
dc.identifier.issue2en_HK
dc.identifier.spage282en_HK
dc.identifier.epage301en_HK
dc.identifier.eissn2044-8317-
dc.identifier.isiWOS:000302870000007-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridNg, M=36155754200en_HK
dc.identifier.scopusauthoridWilcox, RR=7202527113en_HK
dc.identifier.citeulike9926421-
dc.identifier.issnl0007-1102-

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