{"id":"W3184925794","doi":"10.1093/geronb/gbab143","title":"When I’m 64: Age-Related Variability in Over 40,000 Online Cognitive Test Takers","year":2021,"lang":"en","type":"article","venue":"The Journals of Gerontology Series B","topic":"Cognitive Abilities and Testing","field":"Psychology","cited_by":50,"is_retracted":false,"has_abstract":true,"ca_institutions":"Baycrest Hospital; University of Toronto","funders":"Natural Sciences and Engineering Research Council of Canada; Alzheimer Society","keywords":"Psychology; Cognition; Cognitive decline; Episodic memory; Working memory; Effects of sleep deprivation on cognitive performance; Developmental psychology; Executive functions; Confirmatory factor analysis; Cognitive test; Structural equation modeling; Statistics; Dementia; Medicine","routes":{"ca_aff":true,"ca_fund":true,"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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.002037713,0.0002431133,0.0006335856,0.00009511209,0.0001444292,0.00002592249,0.0002764969,0.0002520524,0.01216995],"category_scores_gemma":[0.005709531,0.000194434,0.0001603718,0.0003048244,0.0009989386,0.0001869631,0.0001625333,0.0008058143,0.00002166036],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000656315,"about_ca_system_score_gemma":0.00009270989,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008594201,"about_ca_topic_score_gemma":0.004322784,"domain_scores_codex":[0.996348,0.001595576,0.0009245845,0.000402908,0.0001873203,0.0005416408],"domain_scores_gemma":[0.9927433,0.005871498,0.0004417216,0.0004457499,0.0004070679,0.00009070266],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002088634,0.003422309,0.8598408,0.0001119462,0.001352919,0.002038558,0.04912808,0.00001869293,0.003877806,0.004918558,0.004473165,0.06872859],"study_design_scores_gemma":[0.001906938,0.000341683,0.9375604,0.0002060007,0.0001555842,0.0008543741,0.02080267,0.00002043531,0.0003896351,0.03622712,0.001281615,0.0002534888],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9643657,0.002131627,0.00008925943,0.009139198,0.0005711311,0.000250919,0.0001845238,0.0000395274,0.02322812],"genre_scores_gemma":[0.996093,0.0001152902,0.0002458637,0.001056753,0.0001118732,0.00001851801,0.00003107075,0.00002641729,0.002301223],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07771971,"threshold_uncertainty_score":0.9887331,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06815563482140004,"score_gpt":0.35407946894213,"score_spread":0.28592383412073,"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."}}