{"id":"W3187622282","doi":"10.2196/22818","title":"Testing of a Self-administered 6-Minute Walk Test Using Technology: Usability, Reliability and Validity Study","year":2021,"lang":"en","type":"article","venue":"JMIR Rehabilitation and Assistive Technologies","topic":"Cardiovascular and exercise physiology","field":"Medicine","cited_by":15,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; McMaster University","funders":"","keywords":"Usability; Construct validity; Reliability (semiconductor); Test (biology); Physical therapy; Treadmill; Psychology; Validity; System usability scale; Medicine; Applied psychology; Computer science; Clinical psychology; Psychometrics; Human–computer interaction; Heuristic evaluation","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch"],"consensus_categories":[],"category_scores_codex":[0.0005998995,0.0002232258,0.0008115051,0.0002540352,0.0001472948,0.00001949695,0.00008235068,0.0002602999,0.000003788437],"category_scores_gemma":[0.01154359,0.0001948302,0.0001341964,0.0009317619,0.0009959206,0.00009433786,0.0003990055,0.0002944471,8.80658e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001127601,"about_ca_system_score_gemma":0.0001413663,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002621491,"about_ca_topic_score_gemma":0.000008454786,"domain_scores_codex":[0.9982284,0.0001412865,0.00048738,0.0007110566,0.0002091234,0.0002227915],"domain_scores_gemma":[0.9970121,0.001403319,0.0001592487,0.0007287795,0.0006481922,0.0000483064],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001488495,0.001580435,0.9395041,0.0005983979,0.0001002402,0.00002503566,0.0004357273,0.000002141971,0.03288312,0.0001076451,0.00001692484,0.0245974],"study_design_scores_gemma":[0.001291748,0.002273246,0.9655051,0.0001739252,0.0002447137,0.0001214044,0.01614617,0.000233844,0.01018331,0.003559184,0.00007692962,0.0001904708],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9962955,0.0003746872,0.00005713124,0.001310659,0.00003640313,0.001153594,0.00002017791,0.0006105838,0.000141249],"genre_scores_gemma":[0.9649097,0.00002255596,0.03487036,0.000009635367,0.00001071417,0.0001484841,0.000004747156,0.00001434563,0.000009489572],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03481323,"threshold_uncertainty_score":0.9967826,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04091217120329163,"score_gpt":0.3366959527555913,"score_spread":0.2957837815522997,"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."}}