{"id":"W2170274017","doi":"10.1086/422263","title":"The Kin Composition of Social Groups: Trading Group Size for Degree of Altruism","year":2004,"lang":"en","type":"article","venue":"The American Naturalist","topic":"Evolutionary Game Theory and Cooperation","field":"Social Sciences","cited_by":66,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"National Defense Science and Engineering Graduate; National Science Foundation","keywords":"Altruism (biology); Composition (language); Degree (music); Group (periodic table); Kin selection; Social psychology; Biology; Psychology; Ecology; Chemistry; Physics","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":[0.0008286997,0.00006637493,0.0001443557,0.00001607566,0.001154398,0.00002150088,0.0003064806,0.00002733758,0.00001191012],"category_scores_gemma":[0.0001476688,0.00004249998,0.0001016294,0.0003097003,0.001700349,0.0001110182,0.00001574821,0.00009563884,0.000001421211],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000926627,"about_ca_system_score_gemma":0.00005949162,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001750199,"about_ca_topic_score_gemma":0.000963357,"domain_scores_codex":[0.9990405,0.0002945813,0.0001905336,0.00009338665,0.0002166716,0.0001642952],"domain_scores_gemma":[0.9987116,0.0007818229,0.000278581,0.000105539,0.0001013679,0.00002110685],"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":[0.0002696234,0.00004030575,0.00003719231,0.000005951263,0.00002576228,1.355381e-7,0.009791263,0.00002566633,0.01277315,0.9718329,0.0002911711,0.004906845],"study_design_scores_gemma":[0.003684006,0.001352587,0.148569,0.0001509857,0.0003827745,0.00001410131,0.1055601,0.0004953609,0.01249701,0.7053973,0.02091903,0.0009776915],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9864324,0.0001515177,0.0006290898,0.009661423,0.0001706101,0.0003280989,0.00002426557,0.00002544318,0.002577094],"genre_scores_gemma":[0.9989968,0.00003987149,0.0003208604,0.0002458831,0.0002473984,0.0000181712,0.000009410928,0.000005913084,0.0001157055],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2664356,"threshold_uncertainty_score":0.887881,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02169630690509244,"score_gpt":0.305392829479646,"score_spread":0.2836965225745536,"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."}}