Question

The Board of Trustees believe that test anxiety is increased by the time spent in college. After completing their sophomore year, a random sample of students was selected and given the College Test Anxiety Questionnaire (CTAQ). After completing their senior year they were again tested. What can be conclude with α = 0.05?

sophomore	senior
5.9 7.2 7.4 6.8 8.5 6.2 6.1 5.2	2.1 7.5 3.2 6.3 5.5 6.4 4.6 5.2

a) What is the appropriate test statistic?
---Select: na, z-test, One-Sample t-test, Independent-Samples t-test, or Related-Samples t-test

b)
Condition 1:
---Select: senior, time in college, sophomore, test anxiety, or CTAQ
Condition 2:
---Select: senior, time in college, sophomore, test anxiety, or CTAQ

c) Input the appropriate value(s) to make a decision about H₀.
(Hint: Make sure to write down the null and alternative hypotheses to help solve the problem.)
p-value? =  ; Decision?:  ---Select--- Reject H0 Fail to reject H0

d) Using the SPSS results, compute the corresponding effect size(s) and indicate magnitude(s).
If not appropriate, input and/or select "na" below.
d? = ;   ---Select: na, trivial effect, small effect, medium effect, or large effect
r^2? = ;   ---Select-: na, trivial effect, small effect, medium effect, or large effect

e) Make an interpretation based on the results.

(a)Students showed significantly more test anxiety in their sophomore year than their senior year.

(b)Students showed significantly less test anxiety in their sophomore year than their senior year.    

(c)Students did not significantly differ in their test anxiety between their senior and sophomore year.

Answer 1