Equality of Non-Parametric Proportions (Exact Tests) Flashcards
When do you need to use exact tests?
When assumptions are not met for chi square tests:
▪️More than 20% of cells have an expected count less than 5
▪️Minimum expects count is 1 or less
What test would you use to compare proportions in your sample to a predefined value if the assumptions for chi-square do not hold?
Binomial exact test
What test would you use to compare proportions in your one group to another if the assumptions for chi-square do not hold?
Fisher’s Exact Test
What test would you use to compare proportions in two paired/matched groups if the assumptions for chi-square do not hold?
Binomial exact test
What statistic do you report for exact tests?
Exact p-value
What do you need to do for the binomial exact test for McNemar’s test in SPSS?
Nothing! it does it for you automatically
What test is used to compare paired or matched groups on more than two categories?
McNemar Browker χ2 test