{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/44407"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/44407","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Developing ideal intermediate items for the ideal point model","abstract":"The importance of intermediate items has been overlooked for years ever since the prevalence of using dominance-based Likert scales in measuring personality and vocational interests. Rather, intermediate items were usually discarded in dominance scale constructions as they were believed to perform poorly in item discrimination (Chernyshenko, Stark, Drasgow, & Roberts, 2007). The current study aims to recognize the importance of intermediate items by showing that they can be perfectly calibrated by the ideal point model. 355 college students were selected to answer a series of personality and vocational interest measures including self-developed intermediate items. Results showed that personality and vocational interest scales demonstrated satisfactory model fits to the ideal point model, but not to the dominance model. Intermediate items also provided more information than extreme items did for respondents with extreme latent traits. Among the four domains (Frequency, Average, Condition, and Transition, “FACT”) of constructing intermediate items, the Average domain was found to exhibit best performance in showing unfolding curves. The possibility of utilizing the results of this study to develop a guideline of writing intermediate items, as well as to construct computerized adaptive tests based on the ideal point model, was also discussed in the paper.","abstract_html":"The importance of intermediate items has been overlooked for years ever since the prevalence of using dominance-based Likert scales in measuring personality and vocational interests. Rather, intermediate items were usually discarded in dominance scale constructions as they were believed to perform poorly in item discrimination (Chernyshenko, Stark, Drasgow, & Roberts, 2007). The current study aims to recognize the importance of intermediate items by showing that they can be perfectly calibrated by the ideal point model. 355 college students were selected to answer a series of personality and vocational interest measures including self-developed intermediate items. Results showed that personality and vocational interest scales demonstrated satisfactory model fits to the ideal point model, but not to the dominance model. Intermediate items also provided more information than extreme items did for respondents with extreme latent traits. Among the four domains (Frequency, Average, Condition, and Transition, “FACT”) of constructing intermediate items, the Average domain was found to exhibit best performance in showing unfolding curves. The possibility of utilizing the results of this study to develop a guideline of writing intermediate items, as well as to construct computerized adaptive tests based on the ideal point model, was also discussed in the paper.","abstract_has_math":false,"creators":["Cao, Mengyang"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.A.","degree_level":"Thesis","degree_discipline":"Psychology","degree_department":null,"school":null,"contributors":["Drasgow, Fritz"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-05-24T22:15:02Z","date_published":"2013-05-24T22:15:02Z","updated_at":"2026-07-22T22:25:34Z","subjects":["ideal point model","intermediate items","item response theory","personality measures","vocational interest measures"],"languages":["en"],"rights":["Copyright 2013 Mengyang Cao"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/44407","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Drasgow, Fritz"]},{"key":"dc:creator","label":"Author","values":["Cao, Mengyang"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2013-05-24T22:15:02Z","2015-05-24T10:01:03Z","2013-05"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Psychology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.A."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ideal point model","intermediate items","item response theory","personality measures","vocational interest measures"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2013 Mengyang Cao"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/44407"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The importance of intermediate items has been overlooked for years ever since the prevalence of using dominance-based Likert scales in measuring personality and vocational interests. Rather, intermediate items were usually discarded in dominance scale constructions as they were believed to perform poorly in item discrimination (Chernyshenko, Stark, Drasgow, & Roberts, 2007). The current study aims to recognize the importance of intermediate items by showing that they can be perfectly calibrated by the ideal point model. 355 college students were selected to answer a series of personality and vocational interest measures including self-developed intermediate items. Results showed that personality and vocational interest scales demonstrated satisfactory model fits to the ideal point model, but not to the dominance model. Intermediate items also provided more information than extreme items did for respondents with extreme latent traits. Among the four domains (Frequency, Average, Condition, and Transition, “FACT”) of constructing intermediate items, the Average domain was found to exhibit best performance in showing unfolding curves. 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No. of bitstreams: 3 Mengyang_Cao.pdf: 1241688 bytes, checksum: d61b0262ab9545fce91c670b7bd249a2 (MD5) Cao_Mengyang.docx: 792720 bytes, checksum: a4cca63d9efd634a354cb1d92326af13 (MD5) license.txt: 4059 bytes, checksum: fc2878938524838375f48062c2ac6837 (MD5)","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Seth Robbins (srobbins@illinois.edu) on 2013-05-24T22:18:36Z Item is restricted until 2015-05-24T22:18:31Z","Restriction data tranferred 2014-07-01T11:35:38-05:00 Original Data Group with Access UIUC Users [automated] Release Date: 2015-05-24 17:18:31 UTC Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system","U of I Only Restriction Lifted for Item 44380 on 2015-05-24T10:01:03Z."]},{"key":"dc:title","label":"Title","values":["Developing ideal intermediate items for the ideal point model"]}]}],"canonical_facts":{"dc:contributor":["Drasgow, Fritz"],"dc:creator":["Cao, Mengyang"],"dc:date":["2013-05-24T22:15:02Z","2015-05-24T10:01:03Z","2013-05"],"dc:description":["The importance of intermediate items has been overlooked for years ever since the prevalence of using dominance-based Likert scales in measuring personality and vocational interests. Rather, intermediate items were usually discarded in dominance scale constructions as they were believed to perform poorly in item discrimination (Chernyshenko, Stark, Drasgow, & Roberts, 2007). The current study aims to recognize the importance of intermediate items by showing that they can be perfectly calibrated by the ideal point model. 355 college students were selected to answer a series of personality and vocational interest measures including self-developed intermediate items. Results showed that personality and vocational interest scales demonstrated satisfactory model fits to the ideal point model, but not to the dominance model. Intermediate items also provided more information than extreme items did for respondents with extreme latent traits. Among the four domains (Frequency, Average, Condition, and Transition, “FACT”) of constructing intermediate items, the Average domain was found to exhibit best performance in showing unfolding curves. The possibility of utilizing the results of this study to develop a guideline of writing intermediate items, as well as to construct computerized adaptive tests based on the ideal point model, was also discussed in the paper.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2013-04-25T22:11:47Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 Cao_Mengyang.docx: 792720 bytes, checksum: a4cca63d9efd634a354cb1d92326af13 (MD5) Cao_Mengyang.pdf: 1241688 bytes, checksum: d61b0262ab9545fce91c670b7bd249a2 (MD5)","Made available in DSpace on 2013-05-24T22:15:02Z (GMT). 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