{"id":"W2784877078","doi":"10.2196/resprot.7918","title":"The Use of Facebook Advertising to Recruit Healthy Elderly People for a Clinical Trial: Baseline Metrics","year":2018,"lang":"en","type":"article","venue":"JMIR Research Protocols","topic":"Social Media in Health Education","field":"Social Sciences","cited_by":58,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Institute on Aging","keywords":"Baseline (sea); Advertising; Psychology; Internet privacy; Social media; Medicine; Gerontology; Computer science; World Wide Web; Business","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":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch","sts"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.03647044,0.0001039044,0.0003202209,0.0002754449,0.002033358,0.0002840157,0.0008437224,0.0002463381,0.00008743838],"category_scores_gemma":[0.156302,0.00008361147,0.0001223186,0.002261893,0.000798478,0.0002283991,0.0001379257,0.0004932677,0.00009048747],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004319669,"about_ca_system_score_gemma":0.003702973,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002239767,"about_ca_topic_score_gemma":0.007608408,"domain_scores_codex":[0.9902161,0.005496769,0.001032252,0.0004181125,0.001782302,0.001054412],"domain_scores_gemma":[0.9487682,0.04728576,0.0002791841,0.0005366445,0.002534664,0.0005955371],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.02550712,0.0006865832,0.008758447,0.0002016251,0.0000124222,2.332658e-7,0.01725436,1.999722e-7,0.00001326029,0.002159548,0.148994,0.7964122],"study_design_scores_gemma":[0.004512819,0.006531653,0.001921804,0.0002717205,0.000001507601,5.033215e-8,0.001087573,0.00002688234,0.0000514198,0.0006690223,0.9848416,0.00008389606],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"protocol","genre_gemma":"protocol","genre_scores_codex":[0.01103101,0.000007751362,0.0005381347,0.02246093,0.0005403777,0.965173,0.00001197662,0.00005680396,0.0001799916],"genre_scores_gemma":[0.001086581,0.00003512141,0.003611351,0.0003091113,0.003455763,0.9909161,0.000002303947,0.00002760238,0.0005560883],"genre_candidate":"protocol","genre_consensus":"protocol","teacher_disagreement_score":0.8358477,"threshold_uncertainty_score":0.9992658,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.8853227018303876,"score_gpt":0.7351994265599769,"score_spread":0.1501232752704107,"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."}}