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The “Good Cop, Bad Cop” Effect in the RT-Based Concealed Information Test: Exploring the Effect of Emotional Expressions Displayed by a Virtual Investigator

Fig 3

Illustration of the n-back tasks.

A. The target in the 0-back control condition is any letter designated in the instructions (e.g., X). B. the target in the 2-back memory-load condition is any repeat of a letter presented two trials back (e.g., L). C. The EM-n-back task consisted of superimposing the original n-back task onto one of four backgrounds (no background, negative face stimuli, neutral face stimuli, and positive face stimuli.

Fig 3

doi: https://doi.org/10.1371/journal.pone.0116087.g003