When meeting someone at zero acquaintance, we make assumptions about each other that encompass emotional states, personality traits, and even cognitive abilities. Evidence suggests individuals can accurately detect psychopathic personality traits in strangers based on short video clips or photographs of faces. We present an in-depth examination of…

This study was conducted to determine the change in the sociability levels of high school students depending on the frequency of their using social media and to investigate their social media uses. It employed a mixed-methods research design using both quantitative and qualitative methods together. The sociability levels of 352 students studying…

This study investigated early adolescents' psychophysiological response to a school-related stressor (SRS) as indexed by heart rate variability and examined the unique and interactive effects of heart rate variability and temperament on academic achievement. A total of 91 seventh graders watched an SRS video-clip while their heart rate variability…

Previous studies have shown that learner individual differences have important impacts on L2 accuracy development. The present study examines a learner variable (i.e. extraversion versus introversion) and its effects on incidental focus on form. Twenty-eight ESL students in two classes (an advanced and an upper-intermediate class) and their…