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Title The Effect of Forewarning on Suggestibility: Does it Depend on Working Memory Capacity?
Publication Date
Degree MS
Discipline/Department Department of Psychological Sciences
Degree Level masters
University/Publisher Western Kentucky University
Abstract Suggestibility occurs when inaccurate information is incorporated into currently existing memories. The present study examined the effect of forewarning on suggestibility, including the influence of working memory capacity (WMC). The main hypotheses are that forewarnings will reduce suggestibility compared to the control group and that high-WMC will yield lower suggestibility compared to medium- and low-WMC. The final hypothesis is that WMC and forewarning will interact such that low-WMC individuals will benefit more than high-WMC individuals from the forewarning. A sample of 123 college students was recruited. Participants watched a clip of the TV-show 24. WMC was then assessed followed by the presentation of a misleading narrative. Prior to listening to the narrative, they read a set of instructions that sometimes contained the forewarning. After listening to the misleading narrative, participants took a test over their memories of the film. A 2 X 3 ANOVA was conducted and found a main effect for forewarning. No other effect was significant. The current results only support the first main hypothesis that forewarning reduces suggestibility. These results could be used to help prepare eyewitnesses to resist misinformation in the period between witnessing an event and reporting the event during a later trial.
Subjects/Keywords Suggestibility; Working memory capacity; forewarning; eyewitness testimony; source monitoring; Cognitive Psychology; Experimental Analysis of Behavior; Psychology
Contributors Qin Zhao (Director), Sharon Mutter, and Jenni Redifer
Country of Publication us
Record ID oai:digitalcommons.wku.edu:theses-2484
Repository wku-thes
Date Retrieved
Date Indexed 2020-06-19
Created Date 2015-05-01 07:00:00

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…accurate information (Bjorklund et al., 2000). This study seeks to help clarify the effects of forewarning on suggestibility and potential individual differences in benefiting from forewarning given before being subjected to any form of…

…misleading questions. Before the witness is cross-examined, his/her attorney will usually try to prepare him/her for the misleading questions by forewarning them of what is to come. How well these forewarnings work and what type of situations they work best…

…for the effects of misleading questions need to be explored further. Forewarning Forewarning someone of upcoming, potentially misleading information could seem like a good idea. These forewarnings are meant to improve the other person’s accuracy at…

…conditions of interest were the general and specific forewarnings. In the general forewarning condition, participants just received a warning that not all of the information in the textual radio chatter came from a reliable source, and some may be inaccurate…

…In the specific forewarning, participants received the same information presented in the general forewarning along with information that indicated the nature of how misleading information would be presented. Participants in this condition were told…

…that some important information may be mixed up with inaccurate, alternative information. Additionally, participants in the specific forewarning condition were given more information about suggestibility and the misinformation effect to make them more…

…aware of how the wording of the statements in the radio chatter could lead them to make mistakes when reporting their memories of the information in the memory questions. After the forewarning and presentation of textual radio chatter, participants were…

…participant accuracy on the memory questions. However, neither forewarning was able to completely eradicate the misinformation effect, in that neither forewarning type completely eliminated participant answers related to previous misinformation. Chambers and…