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  1. Murphy S, Elklit A, Chen YY, Ghazali SR, Shevlin M
    Psychol Trauma, 2019 Mar;11(3):319-327.
    PMID: 29723027 DOI: 10.1037/tra0000355
    OBJECTIVE: Evidence has suggested there are sex differences in posttraumatic stress disorder (PTSD) symptom expression; however, few studies have assessed whether these differences are due to measurement invariance. This study aimed to examine sex differences in PTSD symptoms based on the Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5) using differential item functioning (DIF).

    METHOD: Confirmatory factor analysis was conducted on the DSM-5 model of PTSD, followed by a multiple indicators multiple causes (MIMIC) model to examine possible DIF using the PTSD Checklist for DSM-5. Data were analyzed from a Malaysian adolescent sample (n = 481) of which 61.7% were female, with a mean age of 17.03 years.

    RESULTS: The results indicated the presence of DIF for 2 of 20 PTSD criteria. Females scored significantly higher on emotional cue reactivity (B4), and males reported significantly higher rates of reckless or self-destructive behavior (E2) while statistically controlling for the latent variables in the model. However, the magnitude of these item-level differences was small.

    CONCLUSION: These findings indicate that despite the presence of DIF for 2 DSM-5 symptoms, this does not provide firm support for nonequivalence across sex. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

  2. Kaur S
    Psychol Trauma, 2020 Jul;12(5):482-484.
    PMID: 32584114 DOI: 10.1037/tra0000897
    As of mid-May 2020, it has been 5 months since the 1st case of coronavirus was detected in Malaysia. Thus far, 113 deaths have been reported. Several effective measures have been taken by the government under a partial lockdown or movement control order to contain the spread of the virus, which have led to the flattening of the curve. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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