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The Dud Effect: The Effect Of Dissimilar Fillers In Eyewitness Lineups, Shannon Booth
The Dud Effect: The Effect Of Dissimilar Fillers In Eyewitness Lineups, Shannon Booth
Student Theses
Similarity and confidence are often analyzed in relation to eyewitness accuracy. Duds, highly dissimilar fillers, can impact an eyewitness’ accuracy and confidence. This study analyzed the impact of duds, similarity and accuracy in the context of lineup bias. This study found that in target-absent conditions there is a significant positive relationship between lineup bias and confidence. This study also found that highly similar lineups results in a lower proportion of correct identification, even in highly confident witnesses, compared to medium similar and low similar lineups. Further research should look closer at the “sweet spot” of similarity in order to advise …