Longitudinal examinations of changes in well-being during the early period of the COVID-19 pandemic: Testing the roles of extraversion and social distancing

•Extraversion positively predicted well-being during the COVID-19 pandemic.•Well-being declined over the course of the pandemic in a cubic trend.•Extraverts experienced greater declines in well-being than introverts.•Social distancing and within-person change explained extraverts’ reduced well-being.