{"id":"W2019258788","doi":"10.1136/bmj.b2900","title":"The double jeopardy of clustered measurement and cluster randomisation","year":2009,"lang":"en","type":"article","venue":"BMJ","topic":"Breastfeeding Practices and Influences","field":"Medicine","cited_by":32,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"Economic and Social Research Council","keywords":"Double jeopardy; Cluster (spacecraft); Cluster analysis; Cluster randomised controlled trial; Psychology; Medicine; Artificial intelligence; Computer science; Internal medicine; Randomized controlled trial; Political science; Law","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":[],"consensus_categories":[],"category_scores_codex":[0.001124211,0.00004563755,0.000108278,0.00001580573,0.00005978135,0.00002034293,0.00003080524,0.00002592735,0.000009963434],"category_scores_gemma":[0.0001322858,0.00002569984,0.00002728445,0.00003738918,0.00003334422,0.00008181927,0.00000894968,0.0000506243,0.000003447391],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001265036,"about_ca_system_score_gemma":0.00002919693,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003479766,"about_ca_topic_score_gemma":0.00001045954,"domain_scores_codex":[0.9993911,0.00002637235,0.0001875708,0.00007106213,0.0002475109,0.00007633457],"domain_scores_gemma":[0.9995728,0.00005565157,0.0001126873,0.0001140576,0.0001114321,0.00003336138],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.05577875,0.0004551729,0.02023489,0.000270377,0.0004460999,0.000008794041,0.00375746,0.00008500023,0.04015839,0.004058931,0.08844028,0.7863058],"study_design_scores_gemma":[0.04071737,0.001104398,0.8497219,0.0003763394,0.000379126,0.0002335267,0.0005240856,0.001629594,0.007560808,0.0008318945,0.09671582,0.0002051033],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6301933,0.002298174,0.0002312548,0.3049833,0.0003708441,0.001714096,8.985301e-7,0.00004084679,0.06016728],"genre_scores_gemma":[0.9986551,0.0000751334,0.0002245407,0.0006134716,0.0001259803,0.000006982481,5.006121e-7,0.000002275737,0.0002959782],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.829487,"threshold_uncertainty_score":0.1048009,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05310730900162264,"score_gpt":0.328841763044711,"score_spread":0.2757344540430883,"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."}}