{"id":"W2790210732","doi":"10.1007/s10964-018-0838-1","title":"A Quarter Century of Participation in School-Based Extracurricular Activities: Inequalities by Race, Class, Gender and Age?","year":2018,"lang":"en","type":"article","venue":"Journal of Youth and Adolescence","topic":"Youth Development and Social Support","field":"Social Sciences","cited_by":118,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"Eunice Kennedy Shriver National Institute of Child Health and Human Development; College of Liberal Arts, University of Minnesota; Centers for Disease Control and Prevention; Minnesota Population Center, University of Minnesota; Office of the Vice President for Research, University of Minnesota","keywords":"Race (biology); Quarter (Canadian coin); Health psychology; Inequality; Social class; Psychology; Legal psychology; Pacific islanders; Class (philosophy); Demography; Gerontology; Developmental psychology; Gender studies; Medicine; Public health; Sociology; Political science; Population; Geography","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000851178,0.00008203292,0.0002136435,0.00009236107,0.0001346886,0.00005306314,0.00008150742,0.00008222043,0.00003429615],"category_scores_gemma":[0.0001736657,0.00007102775,0.00003633399,0.0001533272,0.000339185,0.0003483045,0.00001171667,0.000142817,6.534062e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003865209,"about_ca_system_score_gemma":0.0002413696,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001303201,"about_ca_topic_score_gemma":0.00009933557,"domain_scores_codex":[0.9988235,0.000175884,0.0003597378,0.00009309907,0.0003395793,0.0002081522],"domain_scores_gemma":[0.9994227,0.00004872013,0.0002132376,0.00004150308,0.0001135865,0.0001602375],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0000880594,0.0001048229,0.9020764,0.00004287208,0.00001214148,0.00001103113,0.09504501,4.885352e-7,0.0006731601,0.0002243139,0.0004120253,0.001309681],"study_design_scores_gemma":[0.00135492,0.0002317251,0.8807309,0.0004637619,0.00005113171,0.00000181577,0.1140756,0.00002783686,0.0007626414,0.0003089216,0.001716488,0.0002742058],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9982581,0.0004832762,0.0002107626,0.0001534929,0.0001362102,0.00007653136,0.000007343035,0.000004517809,0.0006697639],"genre_scores_gemma":[0.9992191,0.0002676352,0.0001451027,0.0001578812,0.0001565939,8.859394e-7,0.000001592322,0.000003994393,0.00004726017],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02134544,"threshold_uncertainty_score":0.2896428,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02828743960771382,"score_gpt":0.3085191184622226,"score_spread":0.2802316788545088,"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."}}