{"id":"W2329754593","doi":"10.1097/ajp.0b013e3181e26961","title":"Randomization Within Trials Does Not Contribute to External Validity","year":2010,"lang":"en","type":"letter","venue":"Clinical Journal of Pain","topic":"Pain Mechanisms and Treatments","field":"Medicine","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Izaak Walton Killam Health Centre; Dalhousie University","funders":"","keywords":"Medicine; Randomization; External validity; Clinical trial; MEDLINE; Medical physics; Physical therapy; Psychology; Internal medicine; Social psychology","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":["metaresearch"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.4283781,0.001705961,0.007027726,0.00584843,0.002031788,0.00631079,0.004645099,0.01232793,0.01381003],"category_scores_gemma":[0.7817791,0.001680552,0.008119945,0.005654112,0.01416282,0.009106479,0.004416281,0.009186165,0.00551588],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.009446369,"about_ca_system_score_gemma":0.005976995,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001525782,"about_ca_topic_score_gemma":0.002405708,"domain_scores_codex":[0.4415801,0.3912753,0.07259987,0.02947071,0.06009398,0.00497995],"domain_scores_gemma":[0.2325826,0.6269513,0.0465733,0.07201213,0.01958674,0.002294],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.01754438,0.0005659764,0.07224403,0.03485793,0.01820182,0.004928093,0.007129815,0.004682076,0.001223831,0.1648314,0.2811888,0.3926019],"study_design_scores_gemma":[0.0178172,0.002147323,0.05003362,0.02922446,0.01110842,0.00500884,0.00173334,0.02701965,0.004483056,0.500842,0.3496643,0.0009177516],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.05090838,0.0604985,0.2747811,0.3467025,0.06230858,0.03986762,0.007569636,0.002931808,0.1544319],"genre_scores_gemma":[0.6933912,0.008325856,0.07162207,0.1676708,0.01429794,0.03185402,0.001996538,0.0007855498,0.01005603],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.5716219,"threshold_uncertainty_score":0.7049115,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1391969876108801,"score_gpt":0.4276268563341106,"score_spread":0.2884298687232305,"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."}}