{"id":"W4417329128","doi":"10.1037/pha0000817","title":"Probability of fentanyl adulteration in cocaine selectively decreases cocaine demand.","year":2025,"lang":"en","type":"article","venue":"Experimental and Clinical Psychopharmacology","topic":"Opioid Use Disorder Treatment","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University","funders":"National Institutes of Health","keywords":"Fentanyl; Purchasing; Cocaine use; Cocaine dependence; Heroin; Opioid","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":[0.0002514472,0.0001578065,0.0004864685,0.00009833202,0.00003683444,0.000004451997,0.00005385265,0.0001210406,0.0001854218],"category_scores_gemma":[0.0001003696,0.0001344872,0.0001011131,0.0002235404,0.0002520143,0.00004452917,0.00004633414,0.0001778131,0.000005159945],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009448831,"about_ca_system_score_gemma":0.0001070437,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006339169,"about_ca_topic_score_gemma":0.00001945343,"domain_scores_codex":[0.9984292,0.0001988821,0.0006830156,0.0004142138,0.00009417757,0.0001805112],"domain_scores_gemma":[0.9993324,0.0002658491,0.00009542963,0.00013225,0.00006464007,0.0001093794],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.01117583,0.01675025,0.8579385,0.0001700442,0.0004178813,0.00003261042,0.0004772105,0.000002658801,0.1045922,0.0008607589,0.002053629,0.005528384],"study_design_scores_gemma":[0.03417045,0.004038517,0.8017009,0.0001826479,0.0002326977,0.000019549,0.0006467914,0.0005578875,0.1562093,0.001499095,0.0005454935,0.0001966052],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9937267,0.002076093,0.00006869074,0.00141682,0.0003877064,0.0009956843,0.000006729858,0.00002678462,0.00129481],"genre_scores_gemma":[0.9972235,0.0002239586,0.0004791325,0.001689232,0.00005107097,0.0001304426,0.00002525597,0.000008166984,0.000169261],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05623752,"threshold_uncertainty_score":0.5484231,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02589407766776353,"score_gpt":0.4191548927484741,"score_spread":0.3932608150807105,"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."}}