{"id":"W4206832472","doi":"10.2196/preprints.16537","title":"Formative Evaluation of Consumer-Grade Activity Monitors Worn by Older Adults: Test-Retest Reliability and Criterion Validity of Step Counts (Preprint)","year":2019,"lang":"en","type":"preprint","venue":"","topic":"Physical Activity and Health","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia; Providence Health Care; Simon Fraser University","funders":"","keywords":"Reliability (semiconductor); Activity monitor; Psychology; Pedometer; Validity; Statistics; Criterion validity; Population; Test (biology); Physical activity; Physical therapy; Mathematics; Medicine; Psychometrics; Construct validity; Physics","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":[0.03124105,0.0006931694,0.0004765629,0.0009238661,0.0005876166,0.001169764,0.001067032,0.0008067749,0.001712685],"category_scores_gemma":[0.07114929,0.0004299474,0.001432787,0.0008043131,0.0005062565,0.0007075614,0.0009311058,0.0005127715,0.0009522268],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006112256,"about_ca_system_score_gemma":0.0004897295,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002116209,"about_ca_topic_score_gemma":0.004833966,"domain_scores_codex":[0.9791353,0.009328274,0.003259042,0.001973469,0.006047752,0.0002562013],"domain_scores_gemma":[0.9167383,0.03553302,0.01157818,0.007929926,0.02765044,0.0005701811],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.004301681,0.00177121,0.8316806,0.0006892661,0.001482768,0.00008304052,0.005057945,0.001273238,0.01196714,0.0003209909,0.004872006,0.1365002],"study_design_scores_gemma":[0.0002491378,0.003643055,0.9786125,0.000120378,0.0003403288,0.0001423577,0.0005385325,0.003304919,0.009101897,0.0001329087,0.003754535,0.00005940165],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.96074,0.0006956298,0.02733738,0.0001827486,0.0003733262,0.002686174,0.001804264,0.0004322746,0.005748231],"genre_scores_gemma":[0.9536055,0.0003395983,0.03534977,0.0002806715,0.0001977605,0.004371657,0.002446001,0.000206469,0.003202546],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03124105,"threshold_uncertainty_score":0.1652205,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05549243524762819,"score_gpt":0.3617772692097126,"score_spread":0.3062848339620844,"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."}}