A group of clients requesting marital therapy were given communication skills training and then rated by independent observers before and after therapy on their ability to resolve problems in a series of hypothetical conflict situations. The results are shown below. A higher score indicates better performance on the task.
a. What is the value of T obt ?
b. What do you conclude using a = 0.05 2 tail ?

Question

A group of clients requesting marital therapy were given communication skills training and then rated by independent observers before and after therapy on their ability to resolve problems in a series of hypothetical conflict situations. The results are shown below. A higher score indicates better performance on the task.  
a. What is the value of T obt ? 
b. What do you conclude using a = 0.05 2 tail ?

A Group of Clients Requesting Marital Therapy Were Given Communication