{"id":"W2411014388","doi":"10.1177/070674371105600216","title":"The Absence of a Placebo Group is a Serious Limitation of the STAR*D Trial","year":2011,"lang":"en","type":"letter","venue":"The Canadian Journal of Psychiatry","topic":"Pain Management and Placebo Effect","field":"Neuroscience","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Toronto Public Health","funders":"","keywords":"Placebo; Group (periodic table); Star (game theory); Psychology; Medicine; Physics; Alternative medicine; Astrophysics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":["metaresearch"],"consensus_categories":[],"category_scores_codex":[0.04119323,0.0009414362,0.008072144,0.0006337956,0.001814465,0.002938972,0.001913149,0.01447316,0.009519733],"category_scores_gemma":[0.1046019,0.0005913926,0.00350748,0.00144592,0.002864966,0.002448173,0.0008437732,0.01126759,0.004079316],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0017148,"about_ca_system_score_gemma":0.003214577,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001387388,"about_ca_topic_score_gemma":0.003843119,"domain_scores_codex":[0.9708956,0.01698437,0.005859061,0.001337824,0.00415686,0.0007661738],"domain_scores_gemma":[0.9079233,0.07372558,0.005641392,0.004090087,0.005607097,0.003012443],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.2105793,0.001626373,0.004809925,0.01908956,0.006987614,0.002210042,0.0005728771,0.0005712878,0.002084666,0.02199442,0.3726309,0.3568431],"study_design_scores_gemma":[0.2865876,0.01879419,0.01137361,0.007153717,0.008382899,0.0029193,0.0003943989,0.002444265,0.002801499,0.05415302,0.604647,0.0003484298],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.03614726,0.07521691,0.009961869,0.6799828,0.1301657,0.00480768,0.006391683,0.0005969467,0.05672921],"genre_scores_gemma":[0.277296,0.02704714,0.01636091,0.5923312,0.06577536,0.007614572,0.001317108,0.0002546469,0.01200313],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.9588068,"threshold_uncertainty_score":0.2178532,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03013576909682484,"score_gpt":0.2373870441537561,"score_spread":0.2072512750569313,"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."}}