PSY 0182 Lecture Notes - Lecture 6: Belief Perseverance, Jury Instructions, Cross-Examination
Document Summary
Photo array is more common than a live lineup. Sequential lineup is standard protocol in allegheny county, pa: although simultaneous lineup is commonly used as well. Online database commonly used to find participants by plugging in features. Investigator should: obtain description of perp, tell witness that individual may not be the perp, follow up with alternative id procedure, should be a follow up live or photo array lineup to confirm. Issues: environment (lighting, poor conditions, limited research hard to recreate, possible non-identification. Goal: ensure suspect does not unduly stand out: select perps that fit suspects general description. Include minimum of 5 fillers: similar appearance between suspects and fillers, random placement of suspect. Simultaneous lineup: members presented all at once. Sequential lineup: members presented one at a time. Note that the procedure used in research on line up effectively may not mirror how it is actually carried out. Meta-cognitive ability: strength of memory trace.
