{"id":"W3188266517","doi":"10.2196/30833","title":"Shift in Social Media App Usage During COVID-19 Lockdown and Clinical Anxiety Symptoms: Machine Learning–Based Ecological Momentary Assessment Study","year":2021,"lang":"en","type":"article","venue":"JMIR Mental Health","topic":"Digital Mental Health Interventions","field":"Psychology","cited_by":24,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Eunice Kennedy Shriver National Institute of Child Health and Human Development; National Institute of Environmental Health Sciences","keywords":"Anxiety; Social anxiety; Psychology; Social media; Mental health; Clinical psychology; Psychiatry; Medicine; Computer science","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.001663413,0.0003566348,0.0003431102,0.0008695481,0.0003538946,0.0007264612,0.000299031,0.0003624783,0.0008527195],"category_scores_gemma":[0.004685393,0.000218063,0.0005428096,0.0006024839,0.0002805002,0.0004479984,0.0008043637,0.0006101662,0.000341914],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004113178,"about_ca_system_score_gemma":0.0003748047,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003389941,"about_ca_topic_score_gemma":0.005345938,"domain_scores_codex":[0.9992181,0.0002882671,0.0000780667,0.0001587556,0.0001262602,0.0001306098],"domain_scores_gemma":[0.9977191,0.0006050655,0.0007099932,0.0002041186,0.0003287765,0.000432944],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002873914,0.0005331228,0.9924902,0.0000146649,0.00005433042,0.00002200821,0.0003218601,0.0001234153,0.0002106834,0.000008685093,0.0001653,0.005768341],"study_design_scores_gemma":[0.00001362581,0.00031833,0.9984846,0.00000382277,0.00001505394,0.00003030794,0.0002307195,0.0007206606,0.00006032917,0.00001219477,0.0001053502,0.000005089718],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.99937,0.00002220274,0.0001484987,0.0000141142,0.000003310729,0.00005442285,0.0002142183,0.00000642719,0.000166617],"genre_scores_gemma":[0.9987784,0.00003202129,0.0003340383,0.00002228467,0.00001060838,0.0001207731,0.0005149145,0.000002446121,0.0001845582],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003389941,"threshold_uncertainty_score":0.008797109,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05521754299666491,"score_gpt":0.4772106379681904,"score_spread":0.4219930949715254,"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."}}