Cramer's V, **Ch.19 section 19.6** - eta-squared, **Ch.20 section 20.10** - R-squared, **Ch.22 section 22.8** Efron, Bradley, **Ch.18 section 18.2** Empirical Rule (68-95-99.7), **Ch.6 section 6.7**, Ch.10 section 10.2 error bars, Ch.25 section 25.9 eta-squared, **Ch.20 section 20.10** ethical revie