{"id":"W2890327729","doi":"10.1002/da.22841","title":"Shortening self-report mental health symptom measures through optimal test assembly methods: Development and validation of the Patient Health Questionnaire-Depression-4","year":2018,"lang":"en","type":"article","venue":"Depression and Anxiety","topic":"Psychometric Methodologies and Testing","field":"Decision Sciences","cited_by":26,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University Health Centre; McGill University; University of Calgary; Concordia University; Hotchkiss Brain Institute; Jewish General Hospital","funders":"National Center for Research Resources; National Institute of Diabetes and Digestive and Kidney Diseases; National Institute of General Medical Sciences; National Institute of Mental Health; Programme Grants for Applied Research; Health Research Council of New Zealand; Medical Research Council; National Institute on Disability and Rehabilitation Research; Agency for Healthcare Research and Quality; Canadian Arthritis Network; Health Resources and Services Administration; Centers for Disease Control and Prevention; Canadian Institutes of Health Research; National Heart, Lung, and Blood Institute; Ischemia Research and Education Foundation; National Institutes of Health; Robert Wood Johnson Foundation; Health Services Research and Development; Scleroderma Society of Ontario; University of Washington; Hunter Medical Research Institute; Jewish General Hospital; Alberta Health Services; University of Michigan; National Institute for Health and Care Research; Fonds de Recherche du Québec - Santé; Baylor College of Medicine; U.S. Department of Veterans Affairs; National Health and Medical Research Council; American Federation for Aging Research; Safe Work Australia; U.S. Department of Health and Human Services","keywords":"Patient Health Questionnaire; Cronbach's alpha; Clinical psychology; Confirmatory factor analysis; Test (biology); Medicine; Depression (economics); Reliability (semiconductor); Psychometrics; Mental health; Depressive symptoms; Psychology; Psychiatry; Structural equation modeling; Anxiety; Computer science; Machine learning","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.03436828,0.0009057079,0.0007743,0.002186959,0.0003616292,0.001044152,0.001048111,0.0006328706,0.001238034],"category_scores_gemma":[0.07958242,0.0005116581,0.001110426,0.00132062,0.000668011,0.0009005762,0.001848019,0.0007736602,0.0004564264],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004368032,"about_ca_system_score_gemma":0.001658822,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009402336,"about_ca_topic_score_gemma":0.001495441,"domain_scores_codex":[0.974391,0.01802773,0.002588444,0.0009872691,0.0037,0.00030555],"domain_scores_gemma":[0.9547577,0.02916249,0.004965324,0.00321881,0.007479141,0.000416536],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001272151,0.001211057,0.5621774,0.0007158559,0.0005550751,0.00009509065,0.001705544,0.003138691,0.007095156,0.0008942952,0.00211277,0.4190269],"study_design_scores_gemma":[0.0009262265,0.006100952,0.9443008,0.0004618954,0.0006228653,0.0007634774,0.0007536199,0.02568547,0.01047845,0.002195692,0.007594032,0.0001164364],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7737004,0.001464018,0.2148726,0.0004947921,0.0001719166,0.005251334,0.001466821,0.0003254074,0.002252711],"genre_scores_gemma":[0.6840867,0.0007443098,0.3030969,0.0002810875,0.0001528627,0.008334945,0.00259165,0.00009659042,0.0006150327],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03436828,"threshold_uncertainty_score":0.181759,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1662303531559708,"score_gpt":0.4516214455416743,"score_spread":0.2853910923857035,"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."}}