{"id":"W4404840378","doi":"10.32920/27922152","title":"Brain versus bot: Distinguishing letters of recommendation authored by humans compared with artificial intelligence","year":2024,"lang":"en","type":"preprint","venue":"","topic":"AI in Service Interactions","field":"Computer Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University","funders":"","keywords":"Artificial intelligence; Computer science; Psychology","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.008685736,0.0002671135,0.0004626878,0.001144727,0.0006338681,0.003724328,0.000530876,0.001331868,0.007653026],"category_scores_gemma":[0.1233841,0.0002513622,0.0003118639,0.0005118801,0.001875758,0.003783038,0.001287675,0.0009980638,0.001848446],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000810453,"about_ca_system_score_gemma":0.0007953959,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001514215,"about_ca_topic_score_gemma":0.001691242,"domain_scores_codex":[0.9938703,0.003397162,0.000431668,0.0008071515,0.001190403,0.0003034431],"domain_scores_gemma":[0.868117,0.1056997,0.01475841,0.003581826,0.004617984,0.003225118],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.01990865,0.00189051,0.5576096,0.00219822,0.0005612049,0.001327118,0.05792698,0.001636695,0.0239843,0.01038337,0.01188851,0.3106849],"study_design_scores_gemma":[0.000650084,0.005812438,0.9233652,0.0006604498,0.000344399,0.001725001,0.02103907,0.01494986,0.008393207,0.01266609,0.01017642,0.0002178495],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9830799,0.0003099565,0.003337368,0.0007899214,0.0001209319,0.0001815166,0.000145177,0.00009421162,0.01194092],"genre_scores_gemma":[0.9960144,0.00008403205,0.001901605,0.0005473561,0.00004274699,0.0001272603,0.00006500365,0.00002757346,0.001190048],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008685736,"threshold_uncertainty_score":0.04593509,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07175660461559032,"score_gpt":0.3400594483704082,"score_spread":0.2683028437548179,"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."}}