{"id":"W2014327924","doi":"10.2196/jmir.3530","title":"Validity of Internet-Based Longitudinal Study Data: The Elephant in the Virtual Room","year":2015,"lang":"en","type":"article","venue":"Journal of Medical Internet Research","topic":"Human-Animal Interaction Studies","field":"Biochemistry, Genetics and Molecular Biology","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Biotechnology and Biological Sciences Research Council","keywords":"The Internet; Longitudinal data; Computer science; Data science; World Wide Web; Data mining","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":["metaresearch"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.2512104,0.0005551462,0.0008285148,0.002913224,0.003203834,0.005434255,0.002889397,0.001482985,0.002476699],"category_scores_gemma":[0.3804669,0.0006755862,0.001533693,0.003407742,0.005919826,0.004206267,0.004814046,0.00233116,0.0007642545],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002245403,"about_ca_system_score_gemma":0.005512439,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005428233,"about_ca_topic_score_gemma":0.00552456,"domain_scores_codex":[0.6517089,0.2961796,0.0160752,0.009838243,0.02425379,0.001944255],"domain_scores_gemma":[0.4622357,0.3460071,0.06010664,0.08089245,0.04622342,0.004534587],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001165242,0.0004691759,0.8579081,0.002519816,0.001201579,0.0004957532,0.0369723,0.001122563,0.001028908,0.008146787,0.007610656,0.08135925],"study_design_scores_gemma":[0.0003538334,0.002161537,0.8596359,0.009121252,0.0008528472,0.001486347,0.028756,0.00845625,0.00451839,0.01736469,0.06700337,0.0002896864],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7976714,0.005433594,0.1404306,0.01188399,0.001638923,0.009453782,0.006452388,0.0003008394,0.02673454],"genre_scores_gemma":[0.9365895,0.0005714687,0.0463099,0.002493766,0.0002578286,0.01090217,0.002090212,0.0001279802,0.0006571332],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7487895,"threshold_uncertainty_score":0.9233909,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.3113856923547849,"score_gpt":0.528618806431545,"score_spread":0.2172331140767602,"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."}}