A therapist wishes to show that his new therapy is a marked improvement over the current best available therapy. To do so, he examines the number of participants who improved with each. A total of 100 participants received his treatment (and 50 of them improved). A total of 80 participants received the alternative treatment (and 40 of them improved). What should the therapist conclude?

Question

Quizplus · Accepted Answer

The therapist should conclude his treatment is no better than the alternative because the percentage of participants who improved is the same in both groups (50% for his treatment and 50% for the alternative treatment).

A Therapist Wishes to Show That His New Therapy Is