Comparative Psychology Commons^™

Diagnostic Featural Detection Or Filler Siphoning: A Red Box Study, Brynn Schuetter

Psychological Science Undergraduate Honors Theses

The current study is a replication and extension of previous research by Colloff and Wixted (2020). In their study, they created a novel identification procedure called the simultaneous showup. They found support for the diagnostic feature detection theory over the filler siphoning theory. The current study was interested in seeing if covert filler siphoning was still occurring in their novel procedure by asking participants how photos of fillers influenced their identification decision. Participants of the study viewed two crime videos and completed an identification task. If they were assigned to the simultaneous showup task, they were asked if and how …