Key result
Relevant nonverbal behaviors, particularly those involving movement variability, can discriminate between different stressful tasks and are correlated with personality factors.
Why the study?
Does psychological stress induction elicit identifiable nonverbal behavioral features correlated with personality traits in PhD students?
Observational (n=45)
Does psychological stress induction elicit identifiable nonverbal behavioral features correlated with personality traits in PhD students?
Nonverbal behaviors, particularly movement variability, can discriminate between different stressful tasks and correlate with personality traits.
Movement variability may aid stress research protocols; leaves open extension to cardiovascular populations or practice.
The aim of the present study is to identify relevant nonverbal features allowing the discrimination of different stressful behaviors, with the consideration of personality factors. In order to achieve this aim, we propose a new method for psychological stress induction involving four different stressful tasks. The proposed protocol was tested with 45 PhD students and the analysis of heart rate variability suggests that stress was indeed elicited. PhD students were selected as participants because they often experience stress. Multimodal data was collected and analyzed in order to identify nonverbal behavioral features related to the different stressful tasks. The psychological profile of participants was taken into account to understand how different stressful behaviors are correlated with personality factors. Results suggest that relevant nonverbal behaviors can discriminate between stressful tasks. In addition, relevant behaviors involving movement variability appear to be correlated with personality factors and stressful tasks.
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Jáuregui et al. (2017) conducted an observational in Acute stress (n=45). Psychological stress induction (four different stressful tasks) was evaluated on Nonverbal behavioral features related to different stressful tasks and correlation with personality factors. Relevant nonverbal behaviors, particularly those involving movement variability, can discriminate between different stressful tasks and are correlated with personality factors.
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