{"id":"W4413054860","doi":"10.2196/71105","title":"Development of a Sham Smartphone App for Opioid Use Disorder: Acceptability and Suitability Study","year":2025,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Opioid Use Disorder Treatment","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Institute on Drug Abuse","keywords":"Smartphone app; Opioid use disorder; Psychology; Opioid; Mobile apps; Clinical psychology; Medicine; Computer science; World Wide Web; Internal medicine","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.01057508,0.0005213167,0.0006157336,0.0005726997,0.0006886927,0.001069148,0.0006346853,0.001083722,0.003557942],"category_scores_gemma":[0.02580546,0.0003233002,0.001275268,0.000215487,0.000711825,0.001451221,0.0009428972,0.0008901021,0.0005264131],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003663895,"about_ca_system_score_gemma":0.001271391,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000638799,"about_ca_topic_score_gemma":0.001100858,"domain_scores_codex":[0.9943071,0.002798432,0.0005290107,0.000393476,0.001629013,0.0003430853],"domain_scores_gemma":[0.9888878,0.006638251,0.0006145729,0.0006750651,0.002522453,0.0006618668],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"nonrandomized_trial","study_design_scores_codex":[0.03394707,0.1102375,0.1668478,0.008552654,0.0009713178,0.003251167,0.04621703,0.001220401,0.07228954,0.001404206,0.007948886,0.5471125],"study_design_scores_gemma":[0.009475054,0.5729815,0.3143662,0.001102573,0.001591282,0.004483679,0.02223796,0.00905247,0.03373075,0.0008938648,0.02963751,0.000447166],"study_design_candidate":"nonrandomized_trial","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9936653,0.0000876898,0.001430181,0.0001431739,0.00004187803,0.003466885,0.0001184338,0.0000390589,0.001007337],"genre_scores_gemma":[0.9760578,0.0004039093,0.01334992,0.0004054182,0.00008225754,0.007867186,0.0002312741,0.00003772502,0.001564535],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01057508,"threshold_uncertainty_score":0.0559271,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05559443527334457,"score_gpt":0.4251204403990461,"score_spread":0.3695260051257015,"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."}}