{"id":"W2112914069","doi":"10.1002/mar.10096","title":"An evolutionary psychology perspective on gift giving among young adults","year":2003,"lang":"en","type":"article","venue":"Psychology and Marketing","topic":"Evolutionary Psychology and Human Behavior","field":"Psychology","cited_by":108,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University","funders":"","keywords":"Situational ethics; Psychology; Social psychology; Romance; Evolutionary psychology; Perspective (graphical); Altruism (biology); Gift giving; Reciprocal altruism; Helping behavior; Reciprocal; Kin selection; Value (mathematics); Developmental psychology; Sociology; Psychoanalysis","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":[0.00134507,0.0001994768,0.0002183499,0.0009623707,0.0007509721,0.001317955,0.000189727,0.0006998876,0.002257572],"category_scores_gemma":[0.002485075,0.0001006672,0.0001447289,0.0005551864,0.001964311,0.0009393933,0.0005920573,0.0006820094,0.0001007314],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007440257,"about_ca_system_score_gemma":0.0003905713,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001311028,"about_ca_topic_score_gemma":0.001178771,"domain_scores_codex":[0.9995447,0.0002923688,0.00001158889,0.00004602443,0.00004250061,0.0000628593],"domain_scores_gemma":[0.9989104,0.0004585999,0.0002791642,0.00002678414,0.0001251355,0.0001999442],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001793746,0.0004428955,0.4759828,0.0002313159,0.00007641073,0.002476186,0.04015482,0.001774749,0.005687203,0.3191556,0.001484828,0.1523538],"study_design_scores_gemma":[0.00003543144,0.0005400518,0.7614272,0.0002107263,0.00006704771,0.00340354,0.02949831,0.004616752,0.00112197,0.1767152,0.02230542,0.00005819009],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9448131,0.005465103,0.008359761,0.006904272,0.00007085539,0.00002043332,0.00003666875,0.000009063004,0.03432091],"genre_scores_gemma":[0.9967055,0.0007361867,0.001290275,0.0002499504,0.00003708891,0.000005587819,0.000007277416,0.000001030819,0.0009671276],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002257572,"threshold_uncertainty_score":0.007552385,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01776550250965493,"score_gpt":0.3497267546740856,"score_spread":0.3319612521644307,"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."}}