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Producing a message of comparison: Evidence for relational schemas in speech production

  • Author / Creator
    Mullins, Blaine
  • Four speech production experiments were conducted to examine how adults produce preverbal messages involving comparisons. It was argued that the generation of any message involving a comparison involves three decisions. First, a dimension for the comparison must be selected. Second, a contrasting object for this dimension must be selected. Third, a referent must be selected for the contrasting object. Participants were shown three objects on a computer screen and were asked to compare two objects along the dimensions of size (Experiments 1 and 2) or hue (Experiments 3 and 4). For example, a participant might be asked to compare the size of a medium-sized snake to either a small fish or a large bird. With each comparison, participants produced a noun (fish, bird) and an adjective (bigger, smaller) that could be repeated or switched from one trial to another. Experiment 1 showed a large tendency to repeat nouns, suggesting that speakers were repeating referents. Experiment 2, however, showed a large tendency to repeat comparisons to objects of the same size, suggesting that speakers were repeating contrasting objects not referents. Experiments 3 and 4 showed that the repetition effect disappeared after one filler trial. This suggested that decisions were made in short-term working memory. It was concluded that these three decisions are both necessary and sufficient for the generation of a preverbal message involving any comparison.

  • Subjects / Keywords
  • Graduation date
    2010-06
  • Type of Item
    Thesis
  • Degree
    Doctor of Philosophy
  • DOI
    https://doi.org/10.7939/R3NK78
  • License
    This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
  • Language
    English
  • Institution
    University of Alberta
  • Degree level
    Doctoral
  • Department
    • Department of Psychology
  • Supervisor / co-supervisor and their department(s)
    • Dixon, Peter (Psychology)
  • Examining committee members and their departments
    • Spalding, Tom (Psychology)
    • Tucker, Benjamin (Linguistics)
    • Nicoladis, Elena (Psychology)
    • Griffin, Zenzi (Psychology, University of Texas at Austin)