Hello Eins...
Your responses are repeated in time? Siegel and Castellan refer to
this test as similar to ANOVA for binary data.
Reliability for a binary responses is analysed by Kappa....
In SPSS is the menu: Analyze - Descriptive - crosstabs - statistics...
http://www.stattutorials.com/SPSS/TUTORIAL-SPSS-Interrater-Reliability-Kappa.htmhttp://en.wikipedia.org/wiki/Cohen%27s_kappaNonparametric Statistics for The Behavioral Sciences (Hardcover)
~ Sidney Siegel (Author), N. John Castellan Jr. (Author)
Luciano
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