The Rathus Assertiveness Schedule Is a 30-Item Questionnaire

The Rathus Assertiveness Schedule is a 30-item questionnaire. The mean score for women on this instrument is 8. Suppose that the unit of your college that is in charge of personal development conducted a six-week course in assertiveness and at the end of the course the following scores were obtained from the 10 women who completed the course. Perform a t test, calculate the effect size index, and write a conclusion about the assertiveness course.20 , 36 , 0 , 44 , 16 , -6 , 50 , 28 , 24 , 8