Statistical Methods for Psychology

758 Index analytic view, 112 approximate regression coefficients, 552–553 a priori comparisons, 365, 369–384 Bonferroni t(Dunn’s ...

Index 759 chi-square test, 141 choice of coefficients, 373 Cochran-Mantel-Haenszel statistic, 157 coded variables, 581 coefficie ...

differences between log-linear models and the analysis of variance, 641 difference scores, 197, 622 directional test, 100 discre ...

Index 761 Fisher’s exact test, 147–148 versus Pearson’s chi square, 148 Fisher’s least significant difference (LSD), 389 Fisher’ ...

inclusion of nonoccurrences, 153 independence, 152 independence of observations, 321 independent events, 114 independent variabl ...

Index 763 measures of location, 30 measures of variability average deviation, 40 coefficient of variation, 44–45 degrees of free ...

noncentrality parameters (NCPs), 232–233, 349 nondirectional test, 100 nonequivalent groups design, 611 nonlinear transformation ...

Index 765 Tukey’s test, 391 unequal sample sizes and heterogeneity of variance, 392 post hoc power, 239 power, 225–241, 348–354 ...

relationship between rpband t, 297 relationship between stress and health, 248–250 relationships and differences, 246 relative a ...

Index 767 simple interaction effects, 451 simple main effects, 451 Simpson’s paradox, 157 simultaneous knowledge, 516 singular c ...

reciprocal transformation, 340–341 resampling, 342–343 square-root transformation, 340 trimmed samples, 341 when to transform an ...

Glossary of Symbols Greek Letter Symbols a Alpha: level of significance, probability of a Type I error ai Treatment effect for t ...

FFstatistic FWFamilywise error rate GMGrand mean HKruskal–Wallis statistic Null hypothesis; alternative hypothesis lnNatural log ...