How to run Wilcoxon Signed Rank Test of two groups in SPSS 18

#1
Hello,
I would like to run Wilcoxon Signed Rank Test in SPSS 18 for the following data:
There are 50 runners in the sample.
I tested their pulse BEFORE the run.
Some of the drank an energy drink from type 'A'.
The rest drank an energy drink from type 'B'.
I tested their pulse AFTER the run.

The database contains 3 columns:
Pulse BEFORE, Pulse AFTER, energy (Scale: 'A' or 'B')

How do I run Wilcoxon Signed Rank Test for the two groups in SPSS 18, I would like to test the significant for each group.

Many thanks,
Avital
 

Karabiner

TS Contributor
#2
You can use select cases or you can use split file.

The usual way would be not to analyse the two groups
separately but to perform a repeated measures / mixed
analysis of variance.

Kind regards

K.