{"id":"W4411162000","doi":"10.3390/computers14060227","title":"Deploying a Mental Health Chatbot in Higher Education: The Development and Evaluation of Luna, an AI-Based Mental Health Support System","year":2025,"lang":"en","type":"article","venue":"Computers","topic":"Digital Mental Health Interventions","field":"Psychology","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University; University of Windsor; Western University","funders":"","keywords":"Chatbot; Mental health; Psychology; Medical education; Computer science; Medicine; World Wide Web; Psychiatry","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001429341,0.000129692,0.0002192316,0.000220478,0.0001991075,0.0000337645,0.000170107,0.000035215,0.00005859435],"category_scores_gemma":[0.000001944614,0.0001186047,0.00003739011,0.0002515281,0.00005531158,0.0001082355,0.00005969478,0.0001000063,0.00001176504],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001292499,"about_ca_system_score_gemma":0.001260759,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002882995,"about_ca_topic_score_gemma":0.0002808992,"domain_scores_codex":[0.9979969,0.0004459167,0.0007023254,0.000303755,0.0002783172,0.0002728422],"domain_scores_gemma":[0.9993081,0.00003590117,0.0002343039,0.0002506707,0.00005334781,0.0001176852],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.0001639467,0.002493372,0.01861315,0.001441643,0.0001236659,7.64791e-7,0.0149214,0.0000707447,0.000004174235,0.0410712,0.03789221,0.8832037],"study_design_scores_gemma":[0.01143278,0.002688519,0.8786857,0.008830173,0.00005004779,0.00005896174,0.01962439,0.01387241,0.0003063379,0.0006329825,0.06307405,0.0007436072],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8937888,0.002798082,0.00122176,0.07892014,0.0128733,0.004329605,0.0000607059,0.0001328955,0.005874783],"genre_scores_gemma":[0.9937887,9.021369e-7,0.001026924,0.00444269,0.0000290674,0.0002046157,0.0001502937,0.00001245615,0.0003443917],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8824601,"threshold_uncertainty_score":0.4836558,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09978655810038609,"score_gpt":0.4518010192773457,"score_spread":0.3520144611769596,"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."}}