{"id":"W2087179731","doi":"10.1037/a0013845","title":"How pervasive are relative age effects in secondary school education?","year":2009,"lang":"en","type":"article","venue":"Journal of Educational Psychology","topic":"Reading and Literacy Development","field":"Psychology","cited_by":110,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University","funders":"","keywords":"Psychology; Developmental psychology; Mathematics education","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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0004032998,0.0001824103,0.0003523574,0.0006754961,0.00005945076,0.0000539333,0.0003057427,0.000171228,0.001287235],"category_scores_gemma":[0.0006082402,0.0001649762,0.0001277253,0.0003530188,0.00006440767,0.0003670864,0.000008849989,0.000776906,0.0001921607],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002066872,"about_ca_system_score_gemma":0.0007581494,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00000592139,"about_ca_topic_score_gemma":0.000004092732,"domain_scores_codex":[0.9983631,0.0003128812,0.0005675183,0.0002827277,0.0001960767,0.0002776458],"domain_scores_gemma":[0.9980331,0.0005252401,0.000675384,0.0002557049,0.0003013989,0.0002091601],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"observational","study_design_scores_codex":[0.0004815616,0.004681117,0.2159018,0.00003636583,0.0003090568,0.0002489359,0.01215333,0.000004244596,0.0006100868,0.08470317,0.6008708,0.07999949],"study_design_scores_gemma":[0.0009867628,0.0003006043,0.8900577,0.0001502881,0.00001658782,0.0006688474,0.000982588,1.124204e-7,0.000008065444,0.06628811,0.0403951,0.0001451762],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7594343,0.004387106,0.0001492145,0.1181431,0.008168986,0.0002994148,0.00000388414,0.000008553555,0.1094054],"genre_scores_gemma":[0.9658257,0.00003553795,0.003830295,0.008486888,0.001165653,0.00002726875,0.00001460059,0.00001495907,0.02059912],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.674156,"threshold_uncertainty_score":0.9996257,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01598938605365589,"score_gpt":0.3694518715780976,"score_spread":0.3534624855244416,"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."}}