Choosing a Statistical Test

Question 1

Statistical Testing

Answer 1

Determine whether we can accept or reject the null hypothesis

Question 2

difference or correlation

Answer 2

correlation includes test of association

Question 3

experimental design

Answer 3

related (repeated measures or matched pairs) or unrelated (independent groups)

Question 4

parametric tests

Answer 4

interval level data, normal distribution and homogeneity of variance

Question 5

nominal data

Answer 5

data represented in the form of categories

Question 6

ordinal data

Answer 6

‘unsafe’ data which can place in rank order

Question 7

interval data

Answer 7

based on numerical and public scales of measurement with units of equal size