If the result of a tind on an experiment is reported as t(28) = 2.633, p

Question

If the result of a tind on an experiment is reported as t(28) = 2.633, p < .05, then you know that the.
A)critical value of t was 2.633
B)alpha level was less than .05
C)total number of subjects was 28
D)total number of subjects was 30

Quizplus · Accepted Answer

The number in parentheses (28) represents the degrees of freedom, which is typically the total number of subjects minus the number of groups or conditions. Assuming a single sample t-test, the total number of subjects would be 28 + 1 = 29. However, if it's a two-sample t-test, it would be 28 + 2 = 30.

If the Result of a Tind on an Experiment Is