{"id":"W4415127951","doi":"10.1001/jama.2025.18668","title":"Developmental Costs of Youth Social Media Require Policy Action","year":2025,"lang":"en","type":"article","venue":"JAMA","topic":"Child Development and Digital Technology","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Hotchkiss Brain Institute; Ontario Brain Institute; Alberta Children's Hospital; University of Calgary","funders":"","keywords":"Social media; Action (physics); MEDLINE; Public policy; Health policy; Positive Youth Development","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004041261,0.0004646201,0.000714807,0.001807513,0.001931607,0.008894369,0.001860419,0.01041001,0.05556094],"category_scores_gemma":[0.02979156,0.0003072628,0.001264689,0.001984364,0.003344027,0.00697789,0.003401122,0.00804587,0.002635676],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.009662032,"about_ca_system_score_gemma":0.02337152,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.07181784,"about_ca_topic_score_gemma":0.1448818,"domain_scores_codex":[0.9970487,0.0007827081,0.0001543436,0.0002095892,0.000774177,0.001030502],"domain_scores_gemma":[0.9696694,0.01674413,0.002354791,0.000610425,0.005690489,0.004930813],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0002907038,0.000392066,0.02638027,0.0005163255,0.0001199263,0.0008655339,0.001319938,0.002675779,0.0006445817,0.5826464,0.2775059,0.1066425],"study_design_scores_gemma":[0.00014415,0.000257374,0.07860035,0.003862235,0.0002705508,0.001169943,0.02082358,0.003873803,0.001448549,0.2549714,0.6344188,0.0001591388],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.03275628,0.01266968,0.001741475,0.8804844,0.002965773,0.00007408441,0.002232613,0.0001772703,0.0668985],"genre_scores_gemma":[0.7193483,0.0353828,0.005260944,0.1777343,0.00878651,0.0004597073,0.001854643,0.000211035,0.05096178],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.07181784,"threshold_uncertainty_score":0.1858698,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04007979556608152,"score_gpt":0.3296964557828033,"score_spread":0.2896166602167218,"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."}}