{"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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.002294633,0.0005026888,0.0004583169,0.0005104709,0.0008994681,0.000028253,0.0004119981,0.0008041825,0.006831662],"category_scores_gemma":[0.000412017,0.0005368808,0.0001465087,0.000322188,0.001101207,0.0002739324,0.00003860612,0.001135521,0.0004153219],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008970594,"about_ca_system_score_gemma":0.00003302116,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00007282487,"about_ca_topic_score_gemma":0.00007563683,"domain_scores_codex":[0.9936474,0.002719817,0.0005952995,0.001823168,0.0002020732,0.001012252],"domain_scores_gemma":[0.9975526,0.0005539008,0.0002854778,0.001074224,0.0001553048,0.0003784639],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.003788459,0.00213819,0.821358,0.00002256001,0.0002101957,0.0003167845,0.005112944,0.000003283588,0.0004180897,0.129143,0.03160265,0.005885933],"study_design_scores_gemma":[0.002811386,0.0007993378,0.9735014,0.00004555262,0.00005514707,0.001075026,0.003083712,0.000009338974,0.000002125725,0.007073795,0.01098562,0.0005575613],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6499707,0.002129339,0.0003231172,0.0007089422,0.002789582,0.0003899102,0.00001975841,0.0002485925,0.3434201],"genre_scores_gemma":[0.9910725,0.0001712476,0.001267066,0.003582473,0.0003550161,0.0002195436,0.00002516218,0.00007597062,0.003231006],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3411018,"threshold_uncertainty_score":0.9997083,"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."}}