{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004083555,0.00005526486,0.00008440844,0.0001444939,0.0003713003,0.00009854342,0.0001674522,0.00003650147,0.0001384364],"category_scores_gemma":[0.0004762747,0.00004993284,0.00002715798,0.0004586734,0.0003154882,0.0001629154,0.00006065882,0.0002769609,0.0001133775],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004739656,"about_ca_system_score_gemma":0.0001796905,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01729626,"about_ca_topic_score_gemma":0.009188174,"domain_scores_codex":[0.997372,0.000804995,0.00009425925,0.0002884873,0.0008889068,0.0005513291],"domain_scores_gemma":[0.9994384,0.0001924576,0.00001649288,0.0001768426,0.00008405404,0.00009173031],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001162087,0.001241296,0.9226298,0.00007728562,0.00001348351,0.00001876593,0.01656009,0.0001549678,0.003085997,0.02682431,0.009985494,0.01929224],"study_design_scores_gemma":[0.0004750881,0.000113594,0.922012,0.00009986279,0.000001886345,8.027049e-8,0.007055939,0.00007769879,0.008635249,0.02237153,0.03891786,0.0002392682],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8747192,0.00002305366,0.0000028539,0.01057039,0.00007130479,0.000349303,7.295068e-7,0.00002736113,0.1142358],"genre_scores_gemma":[0.9963151,0.00002400607,0.00001273852,0.00003801602,0.0003624308,0.0000382056,7.164579e-7,0.000006145031,0.003202693],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1215958,"threshold_uncertainty_score":0.9892477,"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."}}