PMC:7143846 / 6755-6955 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T51","span":{"begin":48,"end":52},"obj":"Sentence"},{"id":"T52","span":{"begin":53,"end":103},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"020 into the two-week period for the analysis.\n\n2.2. Measurement of Psychological Traits and Procedures\nIn this study, we used Online Ecological Recognition (OER) [20], which referred to the automatic"}