t-Tests

The t-test is used to determine whether the difference between means of two groups or conditions is due to the independent variable, or if the difference is simply due to chance.
[|9.1 Introduction] [|9.2 Running the t-test] [|9.3 Interpreting the Output] [|9.4 Review Me! Video] [|9.5 Try It! Exercises]

Assessing Differences Between Correlated Group Means
[|10.1 Introduction] [|10.2 Running the t-test] [|10.3 Interpreting the Output] [|10.4 Review Me! Video] [|10.5 Try It! Exercises]