Question

A social psychologist hypothesizes that more Facebook use is related to less depression. The psychologist collects...

A social psychologist hypothesizes that more Facebook use is related to less depression. The psychologist collects hours on Facebook and depression score data from a sample of clinically depressed patients. What can be concluded with an α of 0.01?

Facebook depression
3
4
5
4
3
4
2
3
0
7
9
6
1
4
2
5



a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in a):

b) Obtain/compute the appropriate values to make a decision about H0.
(Hint: Make sure to write down the null and alternative hypotheses to help solve the problem.)
critical value = __________ ; test statistic =___________
Decision:  ---Select--- Reject H0 Fail to reject H0

c) Compute the corresponding effect size(s) and indicate magnitude(s).
If not appropriate, input and/or select "na" below.
effect size =____________ ;   ---Select--- na trivial effect small effect medium effect large effect

d) Make an interpretation based on the results.

1)There is a significant positive relationship between depression and using Facebook.

2)There is a significant negative relationship between depression and using Facebook.    

3)There is no significant relationship between depression and using Facebook.

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