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Published on: August 29, 2018
An interfering dot-probe task facilitates the detection of mock crime memory in a reaction time (RT)-based concealed
Xiaoqing Hu1, Angela Evans, Haiyan Wu
1Department of Psychology, Zhejiang Normal University, Jinhua, 321004, China. xiaoqinghu@u.northwestern.edu
Abstract:
The present study aimed to test the hypothesis that an interfering task in the concealed information test will help the detection of concealed memory based on participants' behavioral performance (e.g. reaction time, error rate). Here, after participants enacted a mock crime, they were introduced to a concealed information test either with or without an interfering dot-probe task. Results showed that the RT-based pure-CIT (without interference) can detect concealed memory well above chance (AUC=.88). The detection efficiency was higher (AUC=.94) in the interference-CIT based on participants' performance of the interfering task. The findings suggested that the elevation of cognitive workload could possibly increase the detection efficiency of concealed memory based on behavioral measures.
