What Is One Way to Ameliorate an Eyewitness's Memory Bias

Multiple Choice

What is one way to ameliorate an eyewitness's memory bias during a line-up?

A) Explicitly add "not there" to the list of acceptable responses.
B) Have fillers be very different from the perpetrator's description.
C) Have fillers be as physically homogenous and undistracting as possible.
D) This cannot be done.