{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001149813,0.0001423409,0.0004100333,0.0009702288,0.001081253,0.002177248,0.0006488947,0.001464151,0.007543267],"category_scores_gemma":[0.002768304,0.0002353458,0.0004355045,0.002107508,0.0009660784,0.002565614,0.00158832,0.002308815,0.0005892324],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000835579,"about_ca_system_score_gemma":0.001427783,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.06087725,"about_ca_topic_score_gemma":0.09221813,"domain_scores_codex":[0.9992799,0.00009449141,0.0000501291,0.0001729231,0.0001093493,0.0002931248],"domain_scores_gemma":[0.9981105,0.0003015421,0.0004537627,0.000136571,0.0002978901,0.0006995942],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005013085,0.0002827514,0.7898679,0.0002765668,0.0002068434,0.0002755633,0.01148872,0.00009034468,0.001206549,0.008957504,0.01748001,0.1693659],"study_design_scores_gemma":[0.000006951784,0.0000572496,0.9669282,0.0003365596,0.00004423476,0.0001443495,0.01128095,0.00006626013,0.00009667408,0.001311423,0.01971321,0.00001392801],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9070885,0.03651618,0.0002835712,0.04162812,0.0009122092,0.0000110722,0.003249801,0.00001658491,0.010294],"genre_scores_gemma":[0.9810343,0.01090854,0.000122548,0.003546709,0.0003821524,0.00001561429,0.0009833351,0.00001580634,0.002990964],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06087725,"threshold_uncertainty_score":0.1210458,"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."}}