{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/69643"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/69643","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Processing Phenomena and the Dissociation Between Subjective and Objective Workload Measures (Cognition, Automaticity, Verbal Reports)","abstract":"Causes of dissociation between subjective workload assessments and objective performance were investigated. A Sternberg memory search task was utilized. Sternberg task configurations varied in the automaticity of performance, stimulus presentation rate, discernability of stimuli, and the value of good performance. Automaticity in Sternberg task performance was manipulated by using two independent sets of stimuli; one of which was consistently mapped (i.e., targets were always the same) while the other was inconsistently mapped (i.e., targets changed over trials). Also, all Sternberg configurations were performed both as single tasks and as part of dual task combinations (with a manual control task). During testing subjects rated all trials on eight typical bipolar rating scales. Analysis of the results detected several differences (i.e., dissociations) between what the ratings of workload would predict and the actual performance that occurred. Most notably, the workload scales tended to underestimate the advantage of consistent Sternberg-task mapping in dual task environment and misrepresented the effects of the presentation rate and motivation manipulations. The results were interpreted as supporting cognitive-processing-based experimentation over task-characteristic research in subjective workload assessment.","abstract_html":"Causes of dissociation between subjective workload assessments and objective performance were investigated. A Sternberg memory search task was utilized. Sternberg task configurations varied in the automaticity of performance, stimulus presentation rate, discernability of stimuli, and the value of good performance. Automaticity in Sternberg task performance was manipulated by using two independent sets of stimuli; one of which was consistently mapped (i.e., targets were always the same) while the other was inconsistently mapped (i.e., targets changed over trials). Also, all Sternberg configurations were performed both as single tasks and as part of dual task combinations (with a manual control task). During testing subjects rated all trials on eight typical bipolar rating scales. Analysis of the results detected several differences (i.e., dissociations) between what the ratings of workload would predict and the actual performance that occurred. Most notably, the workload scales tended to underestimate the advantage of consistent Sternberg-task mapping in dual task environment and misrepresented the effects of the presentation rate and motivation manipulations. The results were interpreted as supporting cognitive-processing-based experimentation over task-characteristic research in subjective workload assessment.","abstract_has_math":false,"creators":["Vidulich, Michael Anthony"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Psychology","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-15T19:45:55Z","date_published":"2014-12-15T19:45:55Z","updated_at":"2026-07-22T22:26:01Z","subjects":["Psychology, Experimental"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8410064"],"render_values":[{"text":"(UMI)AAI8410064","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/69643","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Vidulich, Michael Anthony"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T19:45:55Z","10000-01-01","1983"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Psychology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"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":["Psychology, Experimental"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/69643","(UMI)AAI8410064"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Causes of dissociation between subjective workload assessments and objective performance were investigated. A Sternberg memory search task was utilized. Sternberg task configurations varied in the automaticity of performance, stimulus presentation rate, discernability of stimuli, and the value of good performance. Automaticity in Sternberg task performance was manipulated by using two independent sets of stimuli; one of which was consistently mapped (i.e., targets were always the same) while the other was inconsistently mapped (i.e., targets changed over trials). Also, all Sternberg configurations were performed both as single tasks and as part of dual task combinations (with a manual control task). During testing subjects rated all trials on eight typical bipolar rating scales. Analysis of the results detected several differences (i.e., dissociations) between what the ratings of workload would predict and the actual performance that occurred. Most notably, the workload scales tended to underestimate the advantage of consistent Sternberg-task mapping in dual task environment and misrepresented the effects of the presentation rate and motivation manipulations. The results were interpreted as supporting cognitive-processing-based experimentation over task-characteristic research in subjective workload assessment.","Made available in DSpace on 2014-12-15T19:45:55Z (GMT). No. of bitstreams: 1 8410064.pdf: 4013225 bytes, checksum: 15b6d75a5ce26e8074bf26e7a3393abc (MD5) Previous issue date: 1983","Embargo set by: Seth Robbins for item 69809 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","132 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1983."]},{"key":"dc:title","label":"Title","values":["Processing Phenomena and the Dissociation Between Subjective and Objective Workload Measures (Cognition, Automaticity, Verbal Reports)"]}]}],"canonical_facts":{"dc:creator":["Vidulich, Michael Anthony"],"dc:date":["2014-12-15T19:45:55Z","10000-01-01","1983"],"dc:description":["Causes of dissociation between subjective workload assessments and objective performance were investigated. A Sternberg memory search task was utilized. Sternberg task configurations varied in the automaticity of performance, stimulus presentation rate, discernability of stimuli, and the value of good performance. Automaticity in Sternberg task performance was manipulated by using two independent sets of stimuli; one of which was consistently mapped (i.e., targets were always the same) while the other was inconsistently mapped (i.e., targets changed over trials). Also, all Sternberg configurations were performed both as single tasks and as part of dual task combinations (with a manual control task). During testing subjects rated all trials on eight typical bipolar rating scales. Analysis of the results detected several differences (i.e., dissociations) between what the ratings of workload would predict and the actual performance that occurred. Most notably, the workload scales tended to underestimate the advantage of consistent Sternberg-task mapping in dual task environment and misrepresented the effects of the presentation rate and motivation manipulations. The results were interpreted as supporting cognitive-processing-based experimentation over task-characteristic research in subjective workload assessment.","Made available in DSpace on 2014-12-15T19:45:55Z (GMT). No. of bitstreams: 1 8410064.pdf: 4013225 bytes, checksum: 15b6d75a5ce26e8074bf26e7a3393abc (MD5) Previous issue date: 1983","Embargo set by: Seth Robbins for item 69809 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","132 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1983."],"dc:identifier":["http://hdl.handle.net/2142/69643","(UMI)AAI8410064"],"dc:subject":["Psychology, Experimental"],"dc:title":["Processing Phenomena and the Dissociation Between Subjective and Objective Workload Measures (Cognition, Automaticity, Verbal Reports)"],"dc:type":["text"],"thesis:degree_discipline":["Psychology"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:01Z"}