Hi, I'm trying to analyse the following data set: 1 group of participants tested on 3 different tests, they can either pass or fail each test. Now, I would like to know whether their performance on one test makes it more likely to pass one or both other tests. Any help would be much appreciated! Conny -- The Sunday Times Scottish University of the Year 2009/2010 The University of Stirling is a charity registered in Scotland, number SC 011159.