{"id":"W4411078167","doi":"10.1111/bjdp.12570","title":"Exploring the trajectories of problematic smartphone use in adolescence: Insights from a longitudinal study","year":2025,"lang":"en","type":"article","venue":"British Journal of Developmental Psychology","topic":"Impact of Technology on Adolescents","field":"Social Sciences","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Social Sciences and Humanities Research Council of Canada","keywords":"Anxiety; Psychology; Depression (economics); Multinomial logistic regression; Logistic regression; Clinical psychology; Mental health; Longitudinal study; Smartphone application; Developmental psychology; Psychiatry; Medicine","routes":{"ca_aff":true,"ca_fund":true,"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":[0.001273544,0.0002471657,0.0003854024,0.001317179,0.002220372,0.001624826,0.000676644,0.0004190435,0.001039011],"category_scores_gemma":[0.002954221,0.0003585277,0.0004875486,0.002065464,0.0004518045,0.0005912373,0.001160071,0.001063762,0.0001725462],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.004726151,"about_ca_system_score_gemma":0.007340522,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.843593,"about_ca_topic_score_gemma":0.9040053,"domain_scores_codex":[0.9994413,0.00008470425,0.00003612046,0.00007215572,0.0001864545,0.0001792293],"domain_scores_gemma":[0.9983139,0.0001492397,0.0003515304,0.00007434674,0.0007361831,0.0003747811],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002564465,0.00003795825,0.9925171,0.0000130044,0.0000176027,0.00005305967,0.003551766,0.00003017129,0.0001055202,0.00006951488,0.0002116344,0.003367163],"study_design_scores_gemma":[0.000001164778,0.00001706281,0.9945076,0.00002686029,0.00001005882,0.00003997857,0.004609372,0.0001054239,0.00003194104,0.00002164448,0.0006235318,0.000005396099],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9983844,0.0002349328,0.00009835555,0.0001087123,0.000003556277,0.00002400552,0.0006381735,0.000002809061,0.000505093],"genre_scores_gemma":[0.9977784,0.0004594667,0.0002899833,0.00003696962,0.000002921693,0.0000429637,0.000947371,0.000003854072,0.0004380348],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.843593,"threshold_uncertainty_score":0.3146562,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1003787186496238,"score_gpt":0.3492016946158893,"score_spread":0.2488229759662655,"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."}}