Title page for ETD etd-04062009-231810

Type of Document Master's Thesis
Author Groft, Stephanie
Author's Email Address smart36@tigers.lsu.edu
URN etd-04062009-231810
Title Factors Affecting the Efficacy of Feedback Use During Source Monitoring
Degree Master of Arts (M.A.)
Department Psychology
Advisory Committee
Advisor Name Title
Lane, Sean M Committee Chair
Elliott, Emily Marie Committee Member
Hicks, Jason Committee Member
Mathews, Robert C Committee Member
  • Source Memory
  • Knowledge updating
  • Working Memory Span
  • Source Monitoring
  • Eyewitness Suggestibility
  • Working Memory
  • Feedback
Date of Defense 2008-12-05
Availability unrestricted
The current study considers how individual differences in working memory capacity (WMC) affect feedback effectiveness. Participants, selected to have high and low WMC, first watched a video of a crime. Subsequently, a post-test questionnaire was administered concerning events taken from the video and additional information suggested to have occurred in the video. After a 10 minute filler task, participants were given a two-part memory test requiring them to identify the source of the information presented in the test statements. During the training portion of the test, half of the participants received feedback as to the accuracy of their source decisions. On the second (assessment) portion of the test, participants did not receive any feedback. Both high and low WMC participants benefited equally from the presentation of feedback; both groups significantly reduced their misattributions of suggested items to the video. There was also a trend toward better source monitoring performance on suggested items in high WMC than low WMC participants, regardless of whether they received feedback. These findings suggest that feedback may be used to improve memory accuracy without requiring substantial executive resources.
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