{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T17:29:03Z","timestamp":1793381343636,"version":"4.5.0"},"reference-count":22,"publisher":"SAGE Publications","issue":"10","license":[{"start":{"date-parts":[[2020,9,11]],"date-time":"2020-09-11T00:00:00Z","timestamp":1599782400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Psychol Sci"],"published-print":{"date-parts":[[2020,10]]},"abstract":"<jats:p>\n                    It has become increasingly clear that COVID-19 is transmitted between individuals. It stands to reason that the spread of the virus depends on sociocultural ecologies that facilitate or inhibit social contact. In particular, the community-level tendency to engage with strangers and freely choose friends, called\n                    <jats:italic toggle=\"yes\">relational mobility<\/jats:italic>\n                    , creates increased opportunities to interact with a larger and more variable range of other people. It may therefore be associated with a faster spread of infectious diseases, including COVID-19. Here, we tested this possibility by analyzing growth curves of confirmed cases of and deaths due to COVID-19 in the first 30 days of the outbreaks in 39 countries. We found that growth was significantly accelerated as a function of a country-wise measure of relational mobility. This relationship was robust either with or without a set of control variables, including demographic variables, reporting bias, testing availability, and cultural dimensions of individualism, tightness, and government efficiency. Policy implications are also discussed.\n                  <\/jats:p>","DOI":"10.1177\/0956797620958118","type":"journal-article","created":{"date-parts":[[2020,9,11]],"date-time":"2020-09-11T16:07:17Z","timestamp":1599840437000},"page":"1236-1244","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":68,"title":["Relational Mobility Predicts Faster Spread of COVID-19: A 39-Country Study"],"prefix":"10.1177","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6836-2126","authenticated-orcid":false,"given":"Cristina E.","family":"Salvador","sequence":"first","affiliation":[{"name":"Department of Psychology, University of Michigan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6496-1703","authenticated-orcid":false,"given":"Martha K.","family":"Berg","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Michigan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qinggang","family":"Yu","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Michigan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alvaro","family":"San Martin","sequence":"additional","affiliation":[{"name":"Managing People in Organizations Department, IESE Business School, University of Navarra"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinobu","family":"Kitayama","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Michigan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2020,9,11]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"publisher","DOI":"10.1037\/0022-3514.88.6.948"},{"key":"e_1_3_3_3_1","unstructured":"Bates D. 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Retrieved from https:\/\/cmmid.github.io\/topics\/covid19\/global_cfr_estimates.html"},{"key":"e_1_3_3_16_1","doi-asserted-by":"publisher","DOI":"10.1037\/pspa0000142"},{"key":"e_1_3_3_17_1","doi-asserted-by":"publisher","DOI":"10.1177\/0956797610382786"},{"key":"e_1_3_3_18_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1713191115"},{"key":"e_1_3_3_19_1","unstructured":"United Nations Department of Economic and Social Affairs Population Division. (2018). World population prospects 2019. Retrieved from https:\/\/population.un.org\/wpp\/Download\/Standard\/Migration\/"},{"key":"e_1_3_3_20_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41562-020-0884-z"},{"key":"e_1_3_3_21_1","volume-title":"International comparison program database","author":"The World Bank","year":"2019","unstructured":"The World Bank. (2019). International comparison program database. Retrieved from https:\/\/databank.worldbank.org\/source\/icp-2017"},{"key":"e_1_3_3_22_1","unstructured":"The World Bank. 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