{"id":"W4364322177","doi":"10.2196/39934","title":"Using Chatbot Technology to Improve Brazilian Adolescents’ Body Image and Mental Health at Scale: Randomized Controlled Trial","year":2023,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Digital Mental Health Interventions","field":"Psychology","cited_by":42,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Mental health; Psychological intervention; Randomized controlled trial; mHealth; Chatbot; Medicine; Psychology; Psychiatry; Computer science; Artificial intelligence","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":[0.00312474,0.001464618,0.00388249,0.0006619557,0.001052066,0.001150507,0.001031002,0.002446122,0.01119449],"category_scores_gemma":[0.005982748,0.0008906438,0.003027218,0.0006418163,0.001232624,0.000918902,0.0008767275,0.002529233,0.0008708875],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009999136,"about_ca_system_score_gemma":0.002248492,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00408219,"about_ca_topic_score_gemma":0.007087614,"domain_scores_codex":[0.9978301,0.001133333,0.0002656863,0.0003809979,0.0001778193,0.0002120281],"domain_scores_gemma":[0.9974231,0.0009879963,0.0006577977,0.0001947789,0.0002805642,0.0004558574],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.9049695,0.04218695,0.001451169,0.008538426,0.003875902,0.00007160357,0.000288789,0.0002424266,0.001401,0.0002529649,0.001169293,0.03555198],"study_design_scores_gemma":[0.9157995,0.07640611,0.003356847,0.0006846117,0.001835517,0.0000183699,0.0001159217,0.0002875926,0.0002636708,0.0001877251,0.001025366,0.00001886286],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8931913,0.01369891,0.002461423,0.001783169,0.002669918,0.07881978,0.002679122,0.0003710852,0.004325283],"genre_scores_gemma":[0.8862824,0.00606651,0.006630737,0.001724558,0.0007911357,0.09460171,0.000705701,0.00002828841,0.003168937],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01119449,"threshold_uncertainty_score":0.0374493,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03513950242591681,"score_gpt":0.4404902552813869,"score_spread":0.4053507528554701,"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."}}