1. What type of statistical analysis should you use to test this?  A)Single sample z-test.  B) Single sample t-test C) Independent samples t-test D) Independent samples t-test  2. Explain why  3. What is the dependent variable  4. What is the independent variable?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

1. What type of statistical analysis should you use to test this? 

A)Single sample z-test.  B) Single sample t-test C) Independent samples t-test D) Independent samples t-test 

2. Explain why 

3. What is the dependent variable 

4. What is the independent variable? 

For the following problems, use the following scenario:
1. A researcher was interested in the effectiveness of cognitive
behavioral therapy in reducing social anxiety in a group of clients
who were diagnosed with mild social phobia. The researcher
tested social anxiety in her clients both before and after the
cognitive behavioral therapy treatment. The research question
was whether there was a difference in the severity of social
anxiety before and after the treatment with cognitive behavioral
therapy.
Pnum Pre-
1
2
3
4
5
6
7
8
9
10
treatment
17
14
17
13
19
17
13
14
11
15
Mpre
=
Post-
treatment
15
15
12
7
11
15
11
13
9
12
Mpost=
Difference
Mdiff=
Diff; - | (Diff; -
Mdiff Mdiff)2
SS=
s² =
S =
Transcribed Image Text:For the following problems, use the following scenario: 1. A researcher was interested in the effectiveness of cognitive behavioral therapy in reducing social anxiety in a group of clients who were diagnosed with mild social phobia. The researcher tested social anxiety in her clients both before and after the cognitive behavioral therapy treatment. The research question was whether there was a difference in the severity of social anxiety before and after the treatment with cognitive behavioral therapy. Pnum Pre- 1 2 3 4 5 6 7 8 9 10 treatment 17 14 17 13 19 17 13 14 11 15 Mpre = Post- treatment 15 15 12 7 11 15 11 13 9 12 Mpost= Difference Mdiff= Diff; - | (Diff; - Mdiff Mdiff)2 SS= s² = S =
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 1 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman