Week 7

Question 1

What does Pearson’s correlation coefficient show?

Answer 1

It quantifies the linear relationship between two continuous and normally distributed variables

Question 2

What is Cronbach’s alpha?

Answer 2

It is considered to be a scale of reliability

Question 3

When is Cronbach’s alpha used?

Answer 3

Cronbach’s alpha is most commonly used when you want to assess the internal consistency of a questionnaire (or survey) that is made up of multiple Likert-type scales and items (how well a scale ‘hangs together’)

Question 4

What is a good Cronbach alpha score?

Answer 4

Cronbach’s alpha typically ranges from 0 to 1 (we want >= 0.7)