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The Detection of PTSD Malingering Using an Implicit Memory Task

  • Clinical Psychology in Korea: Research and Practice
  • 2020, 6(2), pp.117-138
  • DOI : 10.15842/CPKJOURNAL.PUB.6.2.117
  • Publisher : Korean Clinical Psychology Association
  • Research Area : Social Science > Psychological Science > Clinical Psychology
  • Received : November 11, 2019
  • Accepted : January 13, 2020
  • Published : June 30, 2020

Na Ri Im 1 Yunkyeung, Choi ORD ID 1

1계명대학교

Accredited

ABSTRACT

The purpose of this study was to compare the performance in implicit memory task and several subjective reports measuring symptoms of posttraumatic stress disorder (PTSD) and positive and negative affects among a PTSD malingering group, an analogue trauma group and a control group. A 3×2×2 mixed-design method was used. Group (malingered PTSD vs. analogue trauma vs. control) was between-subjects factor and word emotionality (trauma vs. neutral words) and word familiarity (high vs. low) in word-stem completion task were within-subjects factors. The participants were 90 college students, comprising 30 individuals per group. Participants initially performed a word-stem completion task and then completed the self-report measures. The results showed that malingering subjects scored significantly higher in the negative emotions than for analogue trauma and control subjects. Significant two-way interactions were found for group × word familiarity and group × word emotionality. These results suggest that implicit memory tasks can be used in the detection of PTSD malingering. The limitations of this study are discussed along with suggestions for further research.

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