{"id":"W2092263905","doi":"10.1073/pnas.0905918106","title":"Costly punishment does not always increase cooperation","year":2009,"lang":"en","type":"article","venue":"Proceedings of the National Academy of Sciences","topic":"Evolutionary Game Theory and Cooperation","field":"Social Sciences","cited_by":156,"is_retracted":false,"has_abstract":true,"ca_institutions":"Wilfrid Laurier University","funders":"","keywords":"Punishment (psychology); Prisoner's dilemma; Dilemma; Pairwise comparison; Adversary; Order (exchange); Microeconomics; Control (management); Psychology; Social psychology; Economics; Game theory; Computer science; Computer security; Mathematics; Developmental 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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.003131493,0.00007400724,0.000105159,0.00009871422,0.0008693679,0.00005446759,0.0006114475,0.00008003174,0.00004789521],"category_scores_gemma":[0.0009548348,0.00004674859,0.00005305523,0.0006804225,0.0009891004,0.0009817209,0.00003904851,0.0001127475,0.000003502315],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007565472,"about_ca_system_score_gemma":0.0001071736,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003810631,"about_ca_topic_score_gemma":0.00000157374,"domain_scores_codex":[0.9981079,0.00003665815,0.0002802942,0.0001867377,0.001234688,0.0001536916],"domain_scores_gemma":[0.9990905,0.0001086623,0.0002597152,0.000006922993,0.0004859677,0.00004823031],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00002534796,0.0000579368,0.0005225215,0.000004746148,0.000003533932,2.431903e-9,0.0009277939,0.00008928247,0.1527341,0.844047,0.0005050125,0.001082734],"study_design_scores_gemma":[0.0004467804,0.000221701,0.06415736,0.0001380199,0.00003156439,0.000003715921,0.003349244,0.001296831,0.4622551,0.4624914,0.005321428,0.00028687],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8989968,0.00004853445,0.000003830654,0.02510459,0.00003687667,0.0002724252,0.00001277891,0.00002652975,0.07549759],"genre_scores_gemma":[0.9970407,0.00006771911,0.0004511228,0.001289134,0.0001720801,0.000006679348,2.701237e-7,0.000001570041,0.0009707564],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3815556,"threshold_uncertainty_score":0.6686563,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03465246216393698,"score_gpt":0.3241145454358004,"score_spread":0.2894620832718635,"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."}}