{"id":"W2126645740","doi":"10.1177/0164027506292241","title":"Productive Activity in Later Life","year":2006,"lang":"en","type":"article","venue":"Research on Aging","topic":"Retirement, Disability, and Employment","field":"Social Sciences","cited_by":20,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Unpaid work; Paid work; Time-use survey; Work (physics); Cohort; Life course approach; Demography; Work hours; Demographic economics; Gerontology; Psychology; Sociology; Economics; Working hours; Labour economics; Medicine; Social 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008588551,0.0002763694,0.0002800275,0.002365513,0.0006679266,0.001466322,0.0004231859,0.0004250069,0.002555042],"category_scores_gemma":[0.00301744,0.0001512504,0.0003887409,0.001225616,0.0003827948,0.0008455834,0.001133378,0.0005053898,0.000500071],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000708737,"about_ca_system_score_gemma":0.0003947873,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008604266,"about_ca_topic_score_gemma":0.0117301,"domain_scores_codex":[0.999616,0.00009298004,0.00003839193,0.00005729154,0.00006640536,0.0001289851],"domain_scores_gemma":[0.9983528,0.0002358482,0.0005359717,0.00009934669,0.0003075664,0.0004686426],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001686231,0.000232991,0.9450704,0.0001178821,0.00007811719,0.0002281124,0.002487587,0.0001894993,0.0006078336,0.001578429,0.0006599243,0.04858051],"study_design_scores_gemma":[0.000003839937,0.0001248468,0.9935513,0.00005079985,0.00001720469,0.0001721488,0.001006371,0.00007560989,0.00008508348,0.0004675635,0.004438933,0.000006388763],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9824612,0.004852145,0.00052732,0.0004127329,0.00005513488,0.00003443553,0.0008821564,0.000009296206,0.01076558],"genre_scores_gemma":[0.9954304,0.001649298,0.0002944157,0.00006824529,0.00003358585,0.00002192559,0.0003856905,0.000002777058,0.00211376],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008604266,"threshold_uncertainty_score":0.01710838,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.4660156524261302,"score_gpt":0.5526980519573382,"score_spread":0.08668239953120799,"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."}}