Bradley D. McAuliff|Tejah D. Duckworth
I spy with my little eye: Jurors’ detection of internal validity threats in expert evidence.
California State University, Northridge
experiment examined whether juryeligible community members n 223 able detect internally invalid psychological science presented trial participants read simulated child sexual abuse case defense expert described study conducted witness memory suggestibility varied studys internal validity valid missing control group confound experimenter bias publication status published unpublished expert evidence quality ratings higher valid versus missing control group version publication increased ratings defendant guilt study missing control group variations internal validity influence perceptions child victim credibility police interview quality participants limited detection internal validity threats underscores need examine effectiveness traditional legal safeguards junk science court improve scientific reasoning ability lay people legal professionals