A researcher reports t12 286 p 05 for a repeatedmeasures r

A researcher reports t(12) = 2.86, p < .05 for a repeated-measures research study. How many individuals participated in the study?

a.

n = 11

b.

n = 13

c.

n = 24

d.

n = 25

Solution

It says t(12) which means df = 12.

As

df = n - 1

Then

12 = n - 1

Then

n = 13 [ANSWER, OPTION B]