# Question

A therapist evaluates a sample in a new treatment program after 1 month, after 2 months, and again after 3 months. Such data do not have homogeneous variance.

(a) What procedure should be used? Why?

(b) What must the therapist do to the data first?

(c) If the results are significant, what procedure should be performed?

(d) Ultimately, what will the therapist be able to identify?

(a) What procedure should be used? Why?

(b) What must the therapist do to the data first?

(c) If the results are significant, what procedure should be performed?

(d) Ultimately, what will the therapist be able to identify?

## Answer to relevant Questions

For X = 14 and Y = 4.8, find D: (a) What is a population? (b) What is a sample? (c) How are samples used to make conclusions about populations? (d) What are researchers really referring to when they talk about the population? An investigator evaluated the effectiveness of a therapy on three types of patients. She collected the following improvement ratings, but these data form skewed distributions. (a) Which procedure should be used? Why? (b) ...For the following, what inferential statistical procedures should be performed and what is the key information for answering the research question? Unless described otherwise, assume scores are parametric. (a) To test the ...(a) What is the phi coefficient, and when is it used? (b) What does the squared phi coefficient indicate? (c) What is the contingency coefficient, and when is it used? (d) What does the squared contingency coefficient ...Post your question

0