Paired t-test

Question 1

Used for…?

Answer 1

Difference question
DV = continuous
IV = categorical
Within-subjects design

Question 2

What does the paired t-test do?

Answer 2

Compares the difference in the means of the same group

Question 3

df of paired t-test?

Answer 3

df = n - 1

Question 4

Reporting a significant result

Answer 4

IV1 (mean = … , SD = …)
Compared to IV2 (mean =… , SD = … ; mean difference - …) , t(df) = …. , p = ….
What this suggests
95% CI and explanation

Question 5

Reporting an insignificant result

Answer 5

IV1 (mean = … , SD = ….)
No difference with IV2 (mean = …. , SD = …. ; mean difference = …), t(df) = …. , p = ….
This means we cannot say for sure whether there is an effect

Question 6

Assumptions of paired t-test

Answer 6

Data is normally distributed