{"id":"W7114987144","doi":"10.1093/pch/pxaf116.067","title":"67 Early screen use and academic achievement in elementary school: A longitudinal cohort study","year":2025,"lang":"en","type":"article","venue":"Paediatrics & Child Health","topic":"Child Development and Digital Technology","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University; Wilfrid Laurier University; Toronto Metropolitan University; Hospital for Sick Children","funders":"","keywords":"Academic achievement; Cohort; Standardized test; Odds; Cohort study; Longitudinal study; Association (psychology); Sample size determination","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":[0.0009181714,0.0002902474,0.000448774,0.0009613645,0.001453371,0.00112118,0.0007096589,0.0004815095,0.001863267],"category_scores_gemma":[0.001658762,0.0005351644,0.0007435863,0.002215424,0.0002830132,0.0004259997,0.0006247039,0.0008515843,0.0004252882],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002224188,"about_ca_system_score_gemma":0.003305008,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.5699612,"about_ca_topic_score_gemma":0.6552969,"domain_scores_codex":[0.9990277,0.0001201795,0.00007500224,0.0002297151,0.0002605986,0.000286723],"domain_scores_gemma":[0.9985258,0.00008393559,0.0004530508,0.0001620136,0.0003965126,0.0003787954],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0000422312,0.00004337376,0.9989194,0.000007492801,0.00005049383,0.00003592835,0.0001436359,0.000009608559,0.00006097728,0.00001418617,0.0002215607,0.0004510815],"study_design_scores_gemma":[0.000006211515,0.00002666565,0.9995097,0.000009593136,0.00002366615,0.00002029658,0.0001800914,0.00003157776,0.00000995787,0.000005475662,0.0001746503,0.000002199897],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.994905,0.0003181437,0.0001027262,0.00008435623,0.00001288703,0.00004775932,0.003653668,0.000007247732,0.0008682395],"genre_scores_gemma":[0.9970021,0.000249418,0.0001350264,0.00006362133,0.000008220857,0.00005489619,0.00178326,0.000004111336,0.0006994333],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5699612,"threshold_uncertainty_score":0.8651428,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03111002154157089,"score_gpt":0.3322102759841002,"score_spread":0.3011002544425293,"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."}}