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Previous studies show that close friends improve at lie detection over time. However, is this improvement due to an increase in the ability to decode the feelings of close friends or a change in how close friends communicate their true and deceptive emotions? In a study of 45 pairs of friends, one friend from each pair (the "sender") was videotaped showing truthful and faked affect in response to pleasant and unpleasant movie clips. The other friend from each pair (the "judge") guessed the true emotions of both the friend and a stranger 1 month and 6 months into the friendship. Judges were better at guessing the true emotions of friends than strangers, and this advantage in judging friends increased among close friends over time. Surprisingly, improvement over time was due mostly to a change in the sender's communication, rather than an increase in judges' ability to decode their friends' feelings., (© 2015 by the Society for Personality and Social Psychology, Inc.)

Accuracy at reading nonverbal cues to emotions was examined for close friends, less close friends, and strangers. Forty-eight senders were videotaped talking about an experience during which they felt either very happy, very sad, or very angry. Half of the time they expressed their emotion clearly, and half of the time they concealed their emotion. Forty-eight judges watched these tapes without sound and attempted to identify the senders' emotions. Each judge watched a videotape of both a platonic friend and a stranger. Overall, friends were more accurate than strangers at identifying the senders' emotions; however, less close friends were better than closer friends at correctly judging concealed sadness and anger. In discussing these findings, we consider models of motivated inaccuracy, accommodatingness, and emotions as calls to action. KEY WORDS: accommodatingness; close relationships; emotion; motivated inaccuracy; nonverbal behavior; nonverbal decoding.

Background Current arbovirus preventive health interventions do not take social and personality variables into account. Social cognition models posit that people engage in preventive health behaviour (PHB) after an assessment of the perceived risk of disease, an analysis of potential consequences and an evaluation of self-efficacy. Methods In a sample of 385 undergraduate and medical students, we examined the association between social relationships, conscientiousness and mosquito repellent use. Data were analysed in a series of stepwise regression analyses. Results Social relationships influenced the association between conscientiousness and mosquito repellent use. As expected, perceptions of positive social relationships and conscientiousness are positively linked with mosquito repellent use. Conversely, perceptions of negative social relationships are linked to an inverse association between conscientiousness and mosquito repellent use. Conclusions Future interventions designed to increase perceptions of social relationships might be helpful in increasing arbovirus preventive health behaviour such as using mosquito repellents. Since the present study was concurrent correlational in nature, future research would benefit from experimental interventions designed to directly examine the effect of enhancing positive relations and social support on arbovirus preventive health behaviour. [ABSTRACT FROM AUTHOR]