{"id":"W3138050756","doi":"10.2196/25513","title":"A Multiple Health Behavior Change, Self-Monitoring Mobile App for Adolescents: Development and Usability Study of the Health4Life App","year":2021,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Mobile Health and mHealth Applications","field":"Health Professions","cited_by":71,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Health and Medical Research Council; Medical Research Council; Paul Ramsay Foundation","keywords":"Helpfulness; Usability; Mobile apps; Applied psychology; App store; Recreation; Behavior change; mHealth; Smartphone app; Psychology; Psychological intervention; Medicine; Computer science; Internet privacy; World Wide Web; Human–computer interaction; Social psychology; Psychiatry","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.01429758,0.0006339846,0.0006387015,0.001102522,0.0006173765,0.00133103,0.0007257339,0.0007984582,0.0007622837],"category_scores_gemma":[0.0272073,0.0005108699,0.0009532424,0.0004181072,0.0005096195,0.001420006,0.001157857,0.0008045147,0.0002184396],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005835596,"about_ca_system_score_gemma":0.001659721,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001374729,"about_ca_topic_score_gemma":0.003251384,"domain_scores_codex":[0.995778,0.002326745,0.0005474947,0.0003168788,0.0007808059,0.0002501278],"domain_scores_gemma":[0.986123,0.009611146,0.0006499206,0.0004953368,0.002614229,0.0005064334],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"nonrandomized_trial","study_design_scores_codex":[0.002522688,0.02459586,0.243069,0.008677128,0.000661293,0.003771738,0.161245,0.001503705,0.04109075,0.001339295,0.005608664,0.5059148],"study_design_scores_gemma":[0.002314377,0.1019871,0.6752693,0.005280479,0.002295808,0.00651047,0.08073737,0.01488912,0.04553899,0.001006415,0.0636109,0.0005595885],"study_design_candidate":"nonrandomized_trial","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9886064,0.0002166674,0.004391786,0.0001437939,0.00002525909,0.005392562,0.0001423783,0.00009521351,0.0009859119],"genre_scores_gemma":[0.8876773,0.001100026,0.09627798,0.0004313093,0.00004607747,0.01199978,0.0005985296,0.0001678572,0.001701214],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01429758,"threshold_uncertainty_score":0.07561368,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2070839216427234,"score_gpt":0.5477529788478254,"score_spread":0.340669057205102,"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."}}