Question

Research question #3. Does the quality of therapist-client relationship affect the change of the scores from pre-test to post-test among juveniles? (13 points) SPSS Dataset SPSS Data for HW (500 cases).sav (available in Canvas) change: Change of the scores from pretest to posttest (measured by points) qual: Quality of therapist-client relationship (measured by points) Variable Names in the dataset 1. What are the dependent variable (DV) and independent variable (IV)? (1 point) 2. State the research hypothesis (non-directional) and the null hypothesis. Make sure you include both DV and IV in the hypotheses from #1 above. (2 points) 3. You want to predict the change of the scores from pretest to posttest. What type of statistical analysis should be used? Explain your answer. (2 points)

Answer 1

Here' the answer to the question. Please write back in case you've doubts and give a thumbs up in case you're satisfied with the answer.

1. Dependent variable : qual: Quality of therapist client relationship
Independent variable: change: change of the scores from pretest to posttest

2. The research and null hypothesis is as follows:

Null hypothesis, Ho: the quality of therapist client relationship has NO relation with change of scores from pre to post test

Alternate hypothesis, Ha: the quality of therapist client relationship has relation with change of scores from pre to post test

3.

You should use - Paired t-test dependent test.

Reason:We want a test which will test means for pre and post treatments, offcourse, with the same sample.