Emotional Contagion: How Stress in One Person Affects the Mood and Behaviour of Others

Emotional contagion refers to the process through which people's emotions may be influenced by the emotional states and expressions of others. This study examined self-reported responses to stress in other people and explored their association with perceived stress. A quantitative, cross-sectional online questionnaire was completed between October 25 and 27, 2026. Of 33 submissions, 32 participants consented and were included in the emotional-response analysis; 31 had sufficient responses for the preliminary perceived-stress analysis. The questionnaire included 15 researcher-developed statemen