Answered: Exercise has an impact on anxiety, but…

Name: Exercise has an impact on anxiety, but a team of researchers wanted to
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Description: Exercise has an impact on anxiety, but a team of researchers wanted to see if where people run makes a difference. They had N=8 people run in the lab and then later in the week run on a trail. The participants’ anxiety scores were measured after both

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Exercise has an impact on anxiety, but a team of researchers wanted to see if where people run makes a difference. They had N=8 people run in the lab and then later in the week run on a trail. The participants’ anxiety scores were measured after both sessions. Evaluate the results of her data using α = .05_2tail.

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a. State the hypotheses

b. Show how the t was calculated using the values from the SPSS printout

c. What is Cohen’s d?

Paired Samples Test
Paired Differences
95% Confidence Interval of the
Difference
Std. Error
Mean
Std. Deviation
Mean
Lower
Upper
df
Sig. (2-tailed)
Pair 1
lab - nature
4.85714
6.17599
2.33430
-.85470
10.56898
2.081
6
.083

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