{"id":"W4408300329","doi":"10.26828/cannabis/2025/000229","title":"Rasch Analysis of Cannabis Use Disorder in an Adult Inpatient Sample","year":2025,"lang":"en","type":"article","venue":"Cannabis","topic":"Substance Abuse Treatment and Outcomes","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University; St. Joseph’s Healthcare Hamilton; Homewood Research Institute","funders":"","keywords":"Rasch model; Polytomous Rasch model; Psychology; Cannabis; Sample (material); Clinical psychology; Test (biology); Item response theory; Psychometrics; Psychiatry; Developmental 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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00006873254,0.0001545455,0.0005290624,0.0008053313,0.00003104853,0.00001128634,0.00008537606,0.000076927,0.000183198],"category_scores_gemma":[0.0002865893,0.0001284858,0.0001782896,0.00212251,0.00006020326,0.0001419344,0.00002226963,0.00008833349,0.000002269189],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001698629,"about_ca_system_score_gemma":0.0001361858,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005080489,"about_ca_topic_score_gemma":0.04624645,"domain_scores_codex":[0.9989327,0.00004053597,0.0003434145,0.000271403,0.0001780023,0.0002339674],"domain_scores_gemma":[0.9990965,0.00004232342,0.00006911798,0.0004783041,0.0002269367,0.00008682867],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001645845,0.0002899879,0.9894875,0.00002286044,0.0005695215,0.00001147081,0.00205642,0.0001250328,0.00005933312,0.0003324332,0.002723759,0.004157112],"study_design_scores_gemma":[0.00193857,0.0001161937,0.9906705,0.00005507251,0.001168154,2.068789e-7,0.001192584,0.0007682217,0.0006784755,0.0000504035,0.00324936,0.0001122778],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9973683,0.0002200251,0.0001418763,0.001593426,0.0000916482,0.0003116926,0.00002887262,0.00003337702,0.0002107187],"genre_scores_gemma":[0.9950173,0.00006133671,0.0003816179,0.0008007096,0.00001062485,0.00007141702,0.0002123797,0.00001227865,0.003432264],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04116596,"threshold_uncertainty_score":0.9711571,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01697670781562172,"score_gpt":0.299917918189678,"score_spread":0.2829412103740563,"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."}}