Date of Award
Master of Arts (MA)
Jeffrey S. Neuschatz
Jonathan M. Golding
Stacy A. Wetmore
Jurors--Decision making--Psychological aspects., Evidence (Law), Informers., False testimony., Forensic psychology.
Research has shown that primary confessions influence forensic evidence examinations such as handwriting evidence. Additionally, previous research on secondary confessions from jailhouse informants has indicated that primary and secondary confessions are equally influential in jury decision making. The current study investigated the relationship between jailhouse informant statements and perceptions of forensic evidence. Participants read a case summary depicting a bank robbery along with confession evidence either from the suspect or a jailhouse informant before examining handwriting evidence. Result indicated that reliable jailhouse informant statements led participants to fall prey to the forensic confirmation bias. Jailhouse informant reliability significantly impacted perceptions of handwriting evidence, such that a reliable informant increased match judgments and similarity ratings of the samples.
Jenkins, Baylee D., "Testing the forensic confirmation bias : do jailhouse informants contaminate evidentiary independence?" (2020). Theses. 351.