A researcher obtains t = 2.25 for a repeated-measures study using ...

[jake]

A researcher obtains t = 2.25 for a repeated-measures study using a sample of n = 10 participants. Based on this t value, what is the correct decision for a two-tailed test?
 
  a. Reject the null hypothesis with  = .05 but not with  = .01
  b. Reject the null hypothesis with both = .05 and = .01
  c. Fail to reject the null hypothesis with both = .05 and = .01
  d. Cannot make a decision without additional information

Question 2

A researcher conducts a repeated-measures study to evaluate a treatment with a sample of n = 16 participants and obtains a t statistic of t = 1.94 . The treatment is expected to increase scores and the sample mean shows an increase. Which of the following is the correct decision for a hypothesis test using  = .05?
 
  a. Reject the null hypothesis with a one-tailed test but fail to reject with two tails
  b. Reject the null hypothesis with either a one-tailed or a two-tailed test
  c. Fail to reject the null hypothesis with either a one-tailed or a two-tailed test
  d. Fail to reject the null hypothesis with a one-tailed test but reject with two tails

[mk6555]

Answer to Question 1

C

Answer to Question 2

A

[jake]

Thank you!

[mk6555]

Happy to help