Question

Scenario 2: Use the following information for the next 6 questions. Researcher wants to compare three Types of Therapy [Behavior Therapy (BT), Cognitive Therapy (CT), and Cognitive-Behavior Therapy (CBT)] to determine which therapy works best in terms of increasing Self-Esteem. The researcher selects a sample of individuals who have been diagnosed with clinical depression of size 21 (N = 21) to test the research hypothesis (alternative hypothesis) that there is a difference in the ability of the three therapies to increase Self-Esteem. The 21 participants are randomly assigned to each type of therapy (BT, CT, and CBT). Each participant receives their assigned therapy for a 6-month period. At the end of the 6-month period, the researcher administers a standardized test of Self-Esteem to each participant (lhigh numbers indicate higher Self-Esteem). The data are listed below. The researcher wants to minimize the probability of making a Type I Error. Subject BT (X - m) (X-M)^2 CT (X - m) (X-M)^2 CBT (X - m) (X-M)^2 Mean People 1 82 6 36 80 8 64 78 10 100 80 2 80 4 16 76 4 16 72 4 16 76 3 78 2 4 74 2 4 70 2 4 74 4 76 0 0 72 0 0 68 0 0 72 5 74 -2 4 70 -2 4 66 -2 4 70 6 72 -4 16 68 -4 16 64 -4 16 68 7 70 -6 36 64 -8 64 58 -10 100 64 GRAND MEAN MEAN 76 0 72 0 68 0 72 SS 112 168 240 N 7 7 7 k 3 3 Question 23 Scenario 2: If appropriate, conduct post-hoc analysis using Tukey’s HSD. What is the critical value? Note: If it is not appropriate to conduct post-hoc analysis, input 999. Question 24 Scenario 2: If appropriate, what is the value of Tukey’s HSD for comparing BT to CT (Round to two decimal places)? Note: If it is not appropriate to conduct post-hoc analysis, input 999.

          Scenario 2:  Use the following information for the next 6 questions. 
Researcher wants to compare three Types of Therapy [Behavior Therapy (BT), Cognitive Therapy (CT), and Cognitive-Behavior Therapy (CBT)] to determine which therapy works best in terms of increasing Self-Esteem.  The researcher selects a sample of individuals who have been diagnosed with clinical depression of size 21 (N = 21) to test the research hypothesis (alternative hypothesis) that there is a difference in the ability of the three therapies to increase Self-Esteem.  The 21 participants are randomly assigned to each type of therapy (BT, CT, and CBT).  Each participant receives their assigned therapy for a 6-month period.  At the end of the 6-month period, the researcher administers a standardized test of Self-Esteem to each participant (lhigh numbers indicate higher Self-Esteem).  The data are listed below.  The researcher wants to minimize the probability of making a Type I Error.

Subject	BT	(X - m)	(X-M)^2	CT	(X - m)	(X-M)^2	CBT	(X - m)	(X-M)^2	Mean
People
1	82	6	36	80	8	64	78	10	100	80
2	80	4	16	76	4	16	72	4	16	76
3	78	2	4	74	2	4	70	2	4	74
4	76	0	0	72	0	0	68	0	0	72
5	74	-2	4	70	-2	4	66	-2	4	70
6	72	-4	16	68	-4	16	64	-4	16	68
7	70	-6	36	64	-8	64	58	-10	100	64

GRAND
MEAN
MEAN	76	0		72	0		68	0		72
SS	 	 	112	 	 	168	 	 	240	 
N	7	 	 	7	 	 	7	 	 	 
k	3	 	 	3	 	 	 	 	 	 

Question 23
Scenario 2:  If appropriate, conduct post-hoc analysis using Tukey’s HSD.  What is the critical value?
Note: If it is not appropriate to conduct post-hoc analysis, input 999.

Question 24
Scenario 2:  If appropriate, what is the value of Tukey’s HSD for comparing BT to CT (Round to two decimal places)?
Note: If it is not appropriate to conduct post-hoc analysis, input 999.

Added by Margret B.

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