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Title:Speed limits and red flags: why number agreement accidents happen
Author(s):Brehm, Laurel E.
Director of Research:Bock, Kathryn
Doctoral Committee Chair(s):Bock, Kathryn
Doctoral Committee Member(s):Dell, Gary S.; Fisher, Cynthia; Brown-Schmidt, Sarah; Tanner, Darren
Department / Program:Psychology
Discipline:Psychology
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):language production
number agreement
speech errors
Abstract:Trouble in language production sometimes surfaces in errors and sometimes surfaces in delays. Since these two symptoms of difficulty can trade off, theories may make predictions that are confirmed with measures of accuracy but disconfirmed with measures of speed, and vice-versa. In work on grammatical agreement in particular, there are accounts of variability in verb number production that emphasize the roles of lexical sources of number information and accounts that emphasize structural sources. Depending on whether speed or accuracy is measured these alternative views can differ in the success of their predictions. To evaluate the alternatives, we carried out six experiments gauging speed and accuracy together in producing agreement. The data were analyzed using a statistical method that integrates speed and accuracy into a coherent framework. The findings demonstrate that grammatical agreement mechanisms are substantially more sensitive to conceptual than to lexical forces, confirming a central hypothesis of a structural account of sentence production.
Issue Date:2015-01-21
URI:http://hdl.handle.net/2142/72956
Rights Information:Copyright 2014 Laurel Brehm
Date Available in IDEALS:2015-01-21
Date Deposited:2014-12


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