When we test differences between the mean scores of two unconnected groups,which statistical techniques should we select?
A)regression
B)analysis of variance
C)independent-samples t-test
D)dependent-samples t-test

Question

Quizplus · Accepted Answer

The independent-samples t-test is the appropriate statistical technique for comparing the mean scores of two unconnected groups. Regression and analysis of variance are not appropriate for this specific comparison, and the dependent-samples t-test is used when comparing the means of the same group at different times or conditions.

When We Test Differences Between the Mean Scores of Two