{"id":"W3048304111","doi":"10.2196/21419","title":"Public Perceptions and Attitudes Toward COVID-19 Nonpharmaceutical Interventions Across Six Countries: A Topic Modeling Analysis of Twitter Data","year":2020,"lang":"en","type":"article","venue":"Journal of Medical Internet Research","topic":"Social Media in Health Education","field":"Social Sciences","cited_by":136,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Defence Science and Technology Group; Australian Government","keywords":"Psychological intervention; Pandemic; Public health; Social distance; Coronavirus disease 2019 (COVID-19); Social media; Geography; Medicine; Computer science; World Wide Web","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004171219,0.0004907477,0.000562792,0.002401908,0.0005696592,0.001591966,0.0003668456,0.0004882933,0.001082433],"category_scores_gemma":[0.01247923,0.000329763,0.001336739,0.00276479,0.0004895855,0.001671925,0.001115229,0.000651074,0.0003153248],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009643877,"about_ca_system_score_gemma":0.0005310453,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0265505,"about_ca_topic_score_gemma":0.01548289,"domain_scores_codex":[0.9984868,0.0008071087,0.0001407915,0.0002604749,0.0001444588,0.0001603552],"domain_scores_gemma":[0.988398,0.00860811,0.001502933,0.0004459332,0.0008031737,0.0002417796],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005256555,0.0001597731,0.9575583,0.000303963,0.0003916284,0.0002305811,0.01005287,0.00985113,0.001235127,0.0006551371,0.002193094,0.01684284],"study_design_scores_gemma":[0.00003995443,0.0002596236,0.8127822,0.000158791,0.0002568053,0.0002104913,0.02327295,0.1574683,0.0007860725,0.0008687576,0.003817053,0.00007895503],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.995755,0.0001155766,0.001255231,0.000245763,0.000009365403,0.00005058454,0.00207088,0.00002510891,0.000472545],"genre_scores_gemma":[0.9943135,0.0001355518,0.001771653,0.00003780594,0.00001326452,0.0000855892,0.003410465,0.00001106535,0.0002212313],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0265505,"threshold_uncertainty_score":0.05279189,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.8347275073155691,"score_gpt":0.6813948206784908,"score_spread":0.1533326866370783,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}