
168 Nonparametric Statistics for Social and Behavioral Sciences
Click Analyze – Click Nonparametric Tests – Click Related Samples – Click
the Objective tab – Select Automatically compare observed data to hypoth-
esized in the What is your objective? panel – Click the Fields tab – Move
pretest and posttest to the Test Fields box – Click the Settings tab – Select
Customize tests – Select Wilcoxon matched-pair signed-rank (2 samples) in
the Compare Median Difference to Hypothesized panel – Click Run
The procedure produces a table showing results of the null hypothesis test
for median differences between the pretest and posttest scores. The table is ...