Discuss how a t Test for a dependent variable can be of great value in applying a new approach to the treatment of aggressive behavior to a small...

Discuss how a t Test for a dependent variable can be of great value in applying a new approach to the treatment of aggressive behavior to a small group of students. Why would this t Test be preferred to using another test statistic?Discuss how a t Test can be employed in hypothesis testing by the use of directional vs. nondirectional hypotheses. Discuss types of research where using the t statistic may be an appropriate alternative to using a z-score.