{"id":"W2139518712","doi":"10.1177/070674370505000805","title":"Characteristics of Methylphenidate Misuse in a University Student Sample","year":2005,"lang":"en","type":"article","venue":"The Canadian Journal of Psychiatry","topic":"Forensic Toxicology and Drug Analysis","field":"Pharmacology, Toxicology and Pharmaceutics","cited_by":194,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"","keywords":"Stimulant; Methylphenidate; Medical prescription; Context (archaeology); Recreational Drug; Recreational drug use; Psychiatry; Medicine; Drug; Recreation; Prescription Drug Misuse; Substance abuse; Psychology; Attention deficit hyperactivity disorder; Pharmacology","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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.001204439,0.0001102792,0.0002945353,0.0003287722,0.0002006729,0.000007869317,0.0004725786,0.000185521,0.001028738],"category_scores_gemma":[0.00009072558,0.00008995135,0.0001535117,0.0003159725,0.0003446217,0.00007552905,0.00001780799,0.0007925215,0.00001949628],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001629628,"about_ca_system_score_gemma":0.001443982,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003803249,"about_ca_topic_score_gemma":0.4161322,"domain_scores_codex":[0.9986521,0.0004348923,0.0004417351,0.00009009031,0.0001015913,0.0002795749],"domain_scores_gemma":[0.998774,0.0002410161,0.0003896159,0.0001553886,0.00011839,0.000321571],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004011217,0.0002605279,0.9513051,0.00002208963,0.0006215422,0.00009581554,0.003347941,0.001453703,0.0001692751,0.02423027,0.008910786,0.009181856],"study_design_scores_gemma":[0.004051916,0.0003633028,0.7132761,0.00007001249,0.001328433,0.0001661128,0.003250123,0.0005132451,0.0009200941,0.007377275,0.2682872,0.0003962461],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.980193,0.0007494674,0.00005470013,0.01674531,0.001245478,0.00007807367,0.00009107536,0.000003175394,0.000839683],"genre_scores_gemma":[0.9967067,0.00009232185,0.001441647,0.001227976,0.0002880234,2.528366e-7,0.00000305782,0.000007361616,0.0002326934],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4123289,"threshold_uncertainty_score":0.9998845,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04393151144056049,"score_gpt":0.3654623734845269,"score_spread":0.3215308620439664,"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."}}