{"id":"W4229882016","doi":"10.1002/9780471462422.eoct984","title":"Placebos","year":2008,"lang":"en","type":"other","venue":"Wiley Encyclopedia of Clinical Trials","topic":"Pain Management and Placebo Effect","field":"Neuroscience","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University","funders":"","keywords":"Placebo; Meaning (existential); Clinical trial; Medicine; Alternative medicine; Psychology; Clinical Practice; Psychotherapist; Family medicine; Internal medicine; Pathology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch","metaepi_narrow","insufficient_payload"],"consensus_categories":["metaresearch","insufficient_payload"],"category_scores_codex":[0.02999036,0.0004891604,0.00316511,0.0003545164,0.00004712176,0.00001926953,0.000893617,0.0009075147,0.008067346],"category_scores_gemma":[0.1999966,0.0003904295,0.001172542,0.0003229233,0.0004238372,0.00005797974,0.0001816248,0.0006526919,0.002066846],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000009640414,"about_ca_system_score_gemma":0.0001943201,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004442138,"about_ca_topic_score_gemma":0.00001061797,"domain_scores_codex":[0.9735283,0.0208523,0.003282428,0.001035556,0.0008387797,0.0004626897],"domain_scores_gemma":[0.9255598,0.07007734,0.003097992,0.0009839835,0.0000217249,0.0002592293],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0002142933,0.0001631841,0.0006031566,0.0001173139,0.00006792054,0.0000586024,0.00001172675,0.000001427523,0.0000442851,0.0002546749,0.9428177,0.05564575],"study_design_scores_gemma":[0.001887489,0.0001368115,0.0000504701,0.0004146943,0.0001473994,0.000001995717,0.000001794992,0.00004441187,0.0001636708,0.0002377987,0.9965175,0.0003960025],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.00004750396,0.0007559878,0.0004743369,0.0001065953,0.005114646,0.002027881,0.0002006966,0.000341448,0.9909309],"genre_scores_gemma":[0.000207199,0.1108399,0.000512926,0.0006190015,0.0050413,0.00008198132,0.00002403048,0.0003986659,0.882275],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.1700062,"threshold_uncertainty_score":0.9998547,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2491103534735705,"score_gpt":0.4587451096210038,"score_spread":0.2096347561474333,"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."}}