title: Introduction to statistics. III: Correlation, chi-square and the choice of statistical procedure.
authors.affiliation: National Hospitals for Nervous Diseases, Maida Vale, London.
authors.forename: F
authors.initials: F
authors.lastname: Clegg
mesh_terms: D003627:Data Interpretation, Statistical; D012107:Research Design; D013223:Statistics as Topic / Q000379:methods*