{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004214165,0.0004000308,0.0006181585,0.001832961,0.0008473655,0.0006780735,0.0005145935,0.0003084401,0.001890598],"category_scores_gemma":[0.01970187,0.0002303268,0.0008177551,0.001656303,0.0003657757,0.0003233332,0.0009861947,0.000650765,0.0004876405],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008168432,"about_ca_system_score_gemma":0.001120869,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01046647,"about_ca_topic_score_gemma":0.01741104,"domain_scores_codex":[0.9967036,0.001508427,0.0003314708,0.0003000541,0.0009235277,0.000232847],"domain_scores_gemma":[0.9921756,0.002781959,0.001904199,0.001045464,0.001831881,0.0002607578],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001539005,0.0001792538,0.985595,0.00003492692,0.0001505294,0.00008677015,0.0008655259,0.0004437559,0.0003135615,0.0001271643,0.0006911886,0.01135835],"study_design_scores_gemma":[0.00001206797,0.0001890342,0.9959524,0.00001391051,0.00003402432,0.0001448296,0.0005679556,0.002594058,0.0001281099,0.0001279815,0.0002280414,0.000007641157],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9978327,0.00005149203,0.001099945,0.00005504304,0.000007444876,0.00009538425,0.0004752196,0.00003439979,0.0003483349],"genre_scores_gemma":[0.9973903,0.00004854327,0.001303869,0.00001552387,0.000006664303,0.000106643,0.0009290481,0.00000773409,0.0001916117],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01046647,"threshold_uncertainty_score":0.02228689,"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."}}