This page introduces the t-test, a statistical tool used to compare the means of two groups, and explains its use in examining differences in continuous data. Two types of t-tests are discussed: indep...This page introduces the t-test, a statistical tool used to compare the means of two groups, and explains its use in examining differences in continuous data. Two types of t-tests are discussed: independent-samples t-test, for comparing distinct groups, and paired-samples t-test, for comparing the same group over time. The context used involves assessing the impact of Cognitive Behavioral Therapy (CBT) programs on inmates' antisocial attitudes.
