Chapter 15- Nonparametric Tests

Question 1

What are non parametric tests?

Answer 1

Nonparametric tests are tests used when the assumptions are not met. 1) we have a nominal/ordinal DV (no scale DV) 2) small sample and potentially skewed pop distribution

Question 2

What is a CHI Square Test for Goodness of fit?

Answer 2

Chi test for goodness of fit that involves one nominal variable and NO independent/dependent variable

Question 3

What is a CHI Square Test for Independence?

Answer 3

Chi test for Independence involves 2 nominal variables. Test looks at whether variables are independent of or dependent

Question 4

What is a Spearmann Rank-Order Correlation Coeffiecient?

Answer 4

Test looks at the association between tow ordinal variables

Question 5

What is the Mann-Whitney U Test?

Answer 5

MWU test is equivalent of t test. Comparing 2 groups in a between groups design when the DV is ordinal