%0 Journal Article %K COVID-19 pandemic %K Emotional distress %K Optimism %K Uncertainty %K Self-efficacy %K Perceived competence %B Ansiedad y Estrés %D 2022 %N 2 %P 100-107 %R 10.5093/anyes2022a11 %T Psychological impact of COVID-19 pandemic: Effects of optimism and uncertainty on distress during the lockdown in Spain %V 28 %8 03/2022 %9 Journal article %@ 2174-0437