{"id":"W4410083663","doi":"10.1016/j.chb.2025.108688","title":"Screen time woes: Social media posting, scrolling, externalizing behaviors, and anxiety in adolescents","year":2025,"lang":"en","type":"article","venue":"Computers in Human Behavior","topic":"Impact of Technology on Adolescents","field":"Social Sciences","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"Children’s Health Research Institute; Western University","funders":"Social Sciences and Humanities Research Council of Canada","keywords":"Scrolling; Psychology; Social media; Anxiety; Social anxiety; Developmental psychology; Social psychology; World Wide Web; Computer science; Computer graphics (images)","routes":{"ca_aff":true,"ca_fund":true,"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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0007189898,0.0002431108,0.0003726533,0.0005896722,0.0006284571,0.0001783505,0.0007350919,0.0003861843,0.00002906144],"category_scores_gemma":[0.00008750423,0.0002987018,0.00007745413,0.0005331956,0.0006507628,0.000229036,0.000351587,0.0006034607,0.000009341744],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004058247,"about_ca_system_score_gemma":0.00009051273,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001919526,"about_ca_topic_score_gemma":0.00297713,"domain_scores_codex":[0.9977723,0.0002227306,0.0004734552,0.000498301,0.0003647513,0.0006684081],"domain_scores_gemma":[0.9994314,0.00003953635,0.0001478395,0.000222383,0.00005267425,0.0001061835],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00001415665,0.0003358127,0.959208,0.00001611766,0.000003700775,0.0000551482,0.004633293,6.952449e-7,0.0008457632,0.0004722211,0.0004640424,0.0339511],"study_design_scores_gemma":[0.00142133,0.00001970875,0.9960377,0.0009391378,0.00003474253,0.000001634409,0.0006412089,0.0000266879,0.0001045398,0.0003138141,0.0001699518,0.0002895082],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9978258,0.0001685509,0.00005735921,0.0001801999,0.0004500562,0.0005193214,0.000009196099,0.00020666,0.0005828447],"genre_scores_gemma":[0.9986724,0.0000251061,0.000739053,0.0002163317,0.0001140142,0.00002042518,0.0000102799,0.00002178154,0.0001806103],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03682979,"threshold_uncertainty_score":0.9999465,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02041717218765392,"score_gpt":0.3298907818549933,"score_spread":0.3094736096673393,"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."}}