Statistical Decision Table Number of Nature of Dependent Independent Nature of Dependent Variables Variables Variables Tests interval & normal one-sample t-test ordinal or interval one-sample median categorical (2 binomial test 0 IV's (1 population) categories) categorical Chi-square interval & normal 2 independent sample 1 IV with 2 levels ordinal or interval Wilcoxon-Mann Whitney test (independent groups) Chi- square test categorical Fisher's exact test 1 IV with 2 or more interval & normal one-way ANOVA levels (independent ordinal or interval Kruskal Wallis groups) categorical Chi- test interval & normal paired t-test 1 IV with 2 levels ordinal or interval Wilcoxon signed ranks (dependent/matched test groups) categorical McNemar interval & normal one-way repeated 1 1 IV with 2 or more measures ANOVA levels ordinal or interval Friedman test (dependent/matched categorical repeated measures groups) logistic regression interval & normal factorial ANOVA ordinal or interval ordered logistic 2 or more IV's regression (independent groups) categorical factorial logistic regression correlation interval & normal simple linear regression ordinal or interval non-parametric 1 interval IV correlation categorical simple logistic regression multiple regression interval & normal 1 or more interval IVs analysis of covariance and/or 1 or more multiple logistic categorical Ivs categorical regression discriminant analysis
Statistical Decision Table Number of Dependent Variables Nature of Independent Variables Nature of Dependent Variables Tests 1 0 IV's (1 population) interval & normal one-sample t-test ordinal or interval one-sample median categorical (2 categories) binomial test categorical Chi-square 1 IV with 2 levels (independent groups) interval & normal 2 independent sample ordinal or interval Wilcoxon-Mann Whitney test categorical Chi- square test Fisher's exact test 1 IV with 2 or more levels (independent groups) interval & normal one-way ANOVA ordinal or interval Kruskal Wallis categorical Chi- test 1 IV with 2 levels (dependent/matched groups) interval & normal paired t-test ordinal or interval Wilcoxon signed ranks test categorical McNemar 1 IV with 2 or more levels (dependent/matched groups) interval & normal one-way repeated measures ANOVA ordinal or interval Friedman test categorical repeated measures logistic regression 2 or more IV's (independent groups) interval & normal factorial ANOVA ordinal or interval ordered logistic regression categorical factorial logistic regression 1 interval IV interval & normal correlation simple linear regression ordinal or interval non-parametric correlation categorical simple logistic regression 1 or more interval IVs and/or 1 or more categorical Ivs interval & normal multiple regression analysis of covariance categorical multiple logistic regression discriminant analysis
03HIMOES_Stat_Decision_Making_Resources_TeacherNotes.docx