13. Parametric and non-parametric

Question 1

What are the characteristics of a parametric test? (Methods1 para and non-para testing)

Answer 1

• Characteristics have parameters
• Normally distributed
• Results show homogeneity of variance
• Interval or ratio data

Question 2

What are the characteristics of a non-parametric test? (Methods1 para and non-para testing)

Answer 2

• No assumptions made
• Not normally distributed
• Results show inhomogeneity of variance
• Ordinal data

Question 3

What tests can be used for a parametric test? (Methods1 para and non-para testing)

Answer 3

• Pearsons
• Independent means T-test
• Dependent means T-Test
• 1 way ANOVA independent
• 1 way ANOVA repeated

Question 4

What tests can be used for a non-parametric test? (Methods1 para and non-para testing)

Answer 4

• Spearmans
• Chi-square
• Mann Whitney
• Wilcoxon
• Kruskal Wallis
• Friedman