# Using repeated measure on SPSS

Using repeated measure on SPSS – I need tests of withinand pairwise comparisons

( Upload screenshot of SPSS – tests of within and pairwisecomparisons )

In an effort to understand test anxiety better, an educationalresearcher attempts to operationalize anxiety by informing subjectsthat completing a task in the time limit is required if the subjectis to receive a reward. Each subject receives four sets of 10simple calculation problems. Each set imposes a more stringent timerequirement than the one preceding after which anxiety is gauged.Anxiety scores for 8 subjects are as follows:

 Time 1 Time 2 Time 3 Time 4 1 8 8 9 9 2 7 7 8 10 3 4 4 4 5 4 2 3 5 5 5 5 6 6 8 6 5 5 7 9 7 4 4 5 4 8 2 3 6 7
1. Does anxiety appear to be related to time limits?
2. Where are the significant differences?

We have run this problem in MINITAB and get the output as oneway ANOVA as

H0: all time has same mean

vs

H1: atleast 1 time has different mean

a) Does anxiety appear to be related to time limits?

the p-value for the test is 0.066>0.05 hence we will acceptH0 at 95% confidence and we will say all means at different levelof time are same.

b) since there is no difference in Time we say that the meansare equal at 95% confidence. Though I did the Tukey’s test to checkfor equality,

Hence all means are equal

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