{"id":"W7096080609","doi":"","title":"Natural Experiment","year":2015,"lang":"en","type":"article","venue":"","topic":"Canadian Policy and Governance","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Natural (archaeology); Human health; Social research; Natural resource; Data collection; Government (linguistics)","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.01572507,0.0009045742,0.001161377,0.0004883112,0.002532814,0.001612795,0.001803414,0.002062113,0.07612631],"category_scores_gemma":[0.02758277,0.0004653348,0.0005787422,0.0006145858,0.001871348,0.001032314,0.00133199,0.002765047,0.01091351],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.005007542,"about_ca_system_score_gemma":0.007847568,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0644717,"about_ca_topic_score_gemma":0.1295242,"domain_scores_codex":[0.9902524,0.004417358,0.0003182957,0.002030617,0.002069007,0.0009124271],"domain_scores_gemma":[0.9782375,0.008504707,0.001549991,0.005953794,0.004228892,0.001525069],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"observational","study_design_scores_codex":[0.0376317,0.01522652,0.02760636,0.002506551,0.0008356823,0.001137719,0.003853017,0.004321681,0.02100818,0.1613915,0.5306668,0.1938144],"study_design_scores_gemma":[0.009295936,0.01331296,0.06163567,0.0006542928,0.0004245714,0.0004107273,0.001314818,0.007015646,0.004966066,0.06551421,0.8351552,0.0002998968],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.2534211,0.002174654,0.08620461,0.01486558,0.01017589,0.06786979,0.07859003,0.003722997,0.4829753],"genre_scores_gemma":[0.4904817,0.0007457609,0.06736878,0.01588047,0.0007944081,0.109682,0.01487524,0.0007590843,0.2994126],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.07612631,"threshold_uncertainty_score":0.2546679,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04593787172371138,"score_gpt":0.3469824282491266,"score_spread":0.3010445565254152,"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."}}