A researcher studies the effect of cognitive psychotherapy on positive self-regard. The number of positive statements made about oneself is recorded for each participant during the first meeting. After 8 weekly therapy sessions, the measures are repeated for each person. The therapist predicts that cognitive psychotherapy will increase the number of positive statements. For the following data:Before TreatmentAfter Treatment71061297517a. Identify the IV and DV.b. State the hypotheses.c. Set the criteria for the decision (In other words, what is the t-critical value?).d. Conduct the appropriate hypothesis test.e. Make a decision about the null hypothesis. Should you reject the Ho? f. Interpret the results. What do the results of your test tell you about cognitive psychotherapy and positive self-regard?

a. Here, cognitive psychotherapy is independent variable and positive self-regard is dependent…

Answered: A researcher studies the effect of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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A researcher studies the effect of cognitive psychotherapy on positive self-regard. The number of positive statements made about oneself is recorded for each participant during the first meeting. After 8 weekly therapy sessions, the measures are repeated for each person. The therapist predicts that cognitive psychotherapy will increase the number of positive statements. For the following data:

Before Treatment	After Treatment
7	10
6	12
9	7
5	17

a. Identify the IV and DV.

b. State the hypotheses.

c. Set the criteria for the decision (In other words, what is the t-critical value?).

d. Conduct the appropriate hypothesis test.

e. Make a decision about the null hypothesis. Should you reject the Ho?

f. Interpret the results. What do the results of your test tell you about cognitive psychotherapy and positive self-regard?

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