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Thank you for your patience and we apologise for the inconvenience.

Chris Visscher

Chris Visscher (MSc in Sociology, Radboud University Nijmegen,The Netherlands) has been a principal lecturer on statistics for more than 30 years. He wrote one of the early SPSS syntax manuals for students in 1986. He loves to sing Gregorian chants, in his office, in churches, and occasionally at students’ house parties around 3 a.m.