{"id":"W7111215539","doi":"10.64898/2025.11.28.25341232","title":"Developing an initial program theory for peer support groups for substance-affected family members: a participatory realist evaluation","year":2025,"lang":"","type":"article","venue":"medRxiv","topic":"Substance Abuse Treatment and Outcomes","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of the Fraser Valley; University of British Columbia","funders":"","keywords":"Facilitator; Psychological intervention; Program evaluation; Participatory action research; Leverage (statistics); Peer support; Peer group; Grounded theory; Citizen journalism; Social support","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.09865262,0.001370972,0.0009814668,0.001829914,0.00470139,0.003335537,0.003983709,0.001969559,0.007027956],"category_scores_gemma":[0.08222154,0.00067153,0.001623518,0.001231503,0.004427342,0.002734135,0.005797915,0.002501525,0.0004883938],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01326833,"about_ca_system_score_gemma":0.02322526,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003789713,"about_ca_topic_score_gemma":0.004891425,"domain_scores_codex":[0.8977723,0.08847288,0.002425771,0.001808654,0.006696676,0.002823775],"domain_scores_gemma":[0.9387421,0.04250087,0.002449044,0.004342794,0.009638397,0.002326706],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"qualitative","study_design_scores_codex":[0.00710562,0.04676243,0.01399958,0.01278319,0.0005823793,0.0008651398,0.1087548,0.01803991,0.00544828,0.06774385,0.006725034,0.7111898],"study_design_scores_gemma":[0.04776901,0.1964678,0.04584467,0.02142893,0.003915895,0.0008248031,0.2903299,0.05287768,0.06548543,0.1207411,0.1537801,0.0005346381],"study_design_candidate":"qualitative","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5501941,0.0006332903,0.1362609,0.00362511,0.0003639064,0.2687478,0.001008121,0.0003049218,0.0388617],"genre_scores_gemma":[0.6240428,0.0003821318,0.1988784,0.0004942168,0.00003887669,0.1737567,0.0002573942,0.00005528322,0.002094121],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09865262,"threshold_uncertainty_score":0.5217311,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1712315342085617,"score_gpt":0.4365939842580883,"score_spread":0.2653624500495265,"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."}}