Matching for Education in Studies of Schizophrenia
Abstract
Abstract To the Editor.— Choosing an appropriate control group is difficult in the experimental design of studies of patients with schizophrenia. Many investigators choose to match patient and control groups with respect to education as well as age and gender. The dilemma posed by the decision to match for education is highlighted by the recent report by Goldberg et al1 In pairs of identical twins discordant for schizophrenia with the same genotype and socioeconomic background of...