Original Research Papers · Research Paper P2

Research on Application of Eye Tracking Technology on Criminal Psychological Test - A Case of Simulate of Murder

ZHANG Xiuyin, LV Jinpeng, PENG Min, LIU Zicheng

Forensic Science Seminar · 2013 · Volume 3 · Issue 1 · pp. 62–66

Original Abstract

Abstract

Two groups (A: murderer; B: innocent person) were arranged in the psychological test of simulated murder case, and the index of fi xation duration (FD), fi xation count (FC) and visit duration (VD), etc. was recorded by eye tracker during the experiment. It was found that the index of FD, FC, VD on stolen item (pictures of ring), offence site (pictures of murder house), murder tool (pictures of hammer) and the victim (pictures of victim) of group A was higher than that of group B, but the signifi cant difference was only shown from murder tool and victim (P<0.05); The FD on murder involved pictures of group A was longer than that of unrelated pictures (but not so obvious), and the FD on murder involved pictures of group B was un-obviously longer (or less) than that of unrelated pictures.

Keywords: Forensic science; Eye movement; Psychological test; Experiment; Criminal psychology

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