title: We know less than we should about methods of meta-analysis.
authors.affiliation: Independent consultant, Sudbury, MA, USA.|Department of Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, MA, USA.
authors.forename: David C
authors.initials: DC
authors.lastname: Hoaglin
mesh_terms: D035843:Biomedical Research / Q000266:history*; D002986:Clinical Trials as Topic / Q000266:history*; D003627:Data Interpretation, Statistical; D049673:History, 20th Century; D049674:History, 21st Century; D015201:Meta-Analysis as Topic; D012107:Research Design; D012196:Review Literature as Topic
keywords: Q statistic; heterogeneity; inverse-variance weights; random-effects model; software