{"id":"W4413693425","doi":"10.1093/pnasnexus/pgaf239","title":"Commonly observed sex differences in direct aggression are absent or reversed in sibling contexts","year":2025,"lang":"en","type":"article","venue":"PNAS Nexus","topic":"Evolutionary Psychology and Human Behavior","field":"Psychology","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"","keywords":"Aggression; Sibling; Context (archaeology); Psychology; Developmental psychology; Generalization; Biology","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":[0.0007016573,0.000182428,0.0002800942,0.0004621243,0.0003887292,0.0003874898,0.0002478867,0.0001973556,0.006826987],"category_scores_gemma":[0.002674166,0.000206883,0.0001297479,0.0002285755,0.0006503295,0.0002509546,0.0006817991,0.0003747313,0.0005459441],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001315434,"about_ca_system_score_gemma":0.0001739515,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009615769,"about_ca_topic_score_gemma":0.002929249,"domain_scores_codex":[0.9992655,0.0002230061,0.00005201641,0.0002050772,0.0001731049,0.00008125225],"domain_scores_gemma":[0.9986907,0.0003410987,0.0004122641,0.0002051065,0.0001524217,0.0001985069],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0006921588,0.0002811676,0.7896133,0.0002352305,0.0002540251,0.0008630172,0.002893542,0.00008078273,0.1684119,0.001864809,0.00090913,0.03390095],"study_design_scores_gemma":[0.0000094448,0.0002017551,0.9938537,0.00002159781,0.00002381003,0.0008931542,0.0006510033,0.00007172077,0.003029009,0.000637684,0.0005992672,0.000007890906],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9949965,0.0004390088,0.0002802858,0.00003958264,0.00001331246,0.000006074751,0.0001177149,0.00001076867,0.004096721],"genre_scores_gemma":[0.9991561,0.0000939676,0.0001575019,0.00003152616,0.0000036352,0.000005657387,0.00006638374,0.000005177335,0.0004798624],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006826987,"threshold_uncertainty_score":0.02283859,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.11316237668999,"score_gpt":0.374415581266529,"score_spread":0.2612532045765391,"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."}}