{"id":"W2006175454","doi":"10.1503/cmaj.120744","title":"Observer bias in randomized clinical trials with measurement scale outcomes: a systematic review of trials with both blinded and nonblinded assessors","year":2013,"lang":"en","type":"review","venue":"Canadian Medical Association Journal","topic":"Meta-analysis and systematic reviews","field":"Decision Sciences","cited_by":562,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"U.S. Department of Veterans Affairs","keywords":"Clinical trial; Randomized controlled trial; Medicine; Observer (physics); Double blinded; Medical physics; MEDLINE; Scale (ratio); Physical therapy; Alternative medicine; Computer science; Surgery; Internal medicine; Pathology; Placebo","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.8833053431406994,"score_gpt":0.5973260789452947,"score_spread":0.2859792641954048,"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."}}