Question

Application Exercise:
A school psychologist wants to know if there is a relationship between creativity and positive mood. Below are the data from a random sample of 5th graders. What can be concluded with α = 0.10?

mood	creativity
1 6 2 6 7 7 5 8 10 9 5	7 6 11 4 5 7 6 5 4 2 8

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.

There is a significant positive relationship between creativity and positive mood.

There is a significant negative relationship between creativity and positive mood.     

There is no significant relationship between creativity and positive mood.

Answer 1