For each of the following would you be more likely to use a

For each of the following, would you be more likely to use a paired-samples or independent samples t test? Also, would it be one tailed or two tailed?

a) Is employee performance higher before or after annual bonuses are paid?

b)Is there a difference in sales between Company A and Company B?

c)Is there a difference in employee satisfaction between men and women

d) Are employees more productive in the morning than in the evening?

Solution

a) Paired sample t test, one tail

b) independent sample t test , two tail

c) independent sample t test, two tail

d) Paired sample t test, one tail