The Effect of Leading Questions and Time Elapsed on Eyewitness Accuracy in Identifying a Perpetrator in a CrimeIntroductionSlide 3PowerPoint PresentationMethodMethod (cont.)ResultsSlide 8Results (cont)DiscussionDiscussion (Implications)The Effect of Leading Questions and Time Elapsed on Eyewitness Accuracy in Identifying a Perpetrator in a CrimeDavid Browne, Elizabeth Foster, Elizabeth Jeong, Christine OppelIntroduction Eyewitness testimony allows jurors to feel and see a clear picture of a crime that has been committed. Kebbell & Giles Ebbinghaus Nigro & CicognaIntroductionIndependent Variable One1. Leading Questions2. Non-leading QuestionsIndependent Variable Two1. Short Distraction2. Long DistractionDependent Variable: Accuracy on the QuestionnaireHypothesisThe accuracy of participants’ answers on the questionnaire will be lower when asked leading questions and with a longer distracting clip.MethodParticipants56 Female Mount Holyoke Students, ages 18-60, randomly assigned•14 in Leading/Long Condition•15 in Leading/Short Condition•13 in Non/Long Condition•14 in Non/ShortConditionMaterialsClip of L.A. ConfidentialClip of HGTVTV and VCRQuestionnaires and Answer KeyConsent FormDebriefing FormMethod (cont.)ProcedureParticipants signed consent formWatched L.A. Confidential clipShort or long HGTV clip was shown immediately afterParticipants given Leading or Non-leading questionnairesParticipants were debriefedResultsDependent Variable: Number of correct answersAnalysis Performed: One-way 2X2 ANOVAResults Marginally significant main effect for question type such that participants who filled out non leading questionnaires a had marginally higher accuracy than participants who filled out leading questionnaires (p = .075). No significant main effect for length of distraction. No significant interaction between type of questionnaire and length of distractions.Results (cont)Accuracy Level for Each Condition01234ConditionsAccuracyLongDistraction/LeadingQuestionsLong Distraction/Non-Leading QuestionsShortDistraction/LeadingQuestionsShort Distraction/Non-Leading QuestionsDiscussionHypothesis not supported.The question type was marginally significant, but not at the p<.05 levelDisagrees with Kebbell & Giles and Ebbinghaus Agrees with Nigro & CicognaDiscussion (Implications) Lawyers should not use leading questions because it may influence the accuracy of witnesses’