Read your interesting review of Sorting Things out ... you might be interested too in my book: Coxon, APM (1999) Sorting Data: Collection & Analysis (SAge QASS 127) which also refers to the SORTPAC programs to analyse the data! As an ex MIT'er I'm interested also in your research in this area Cordially Professor A P M Coxon Dept of Sociology & Dept of Health and Human Sciences University of Essex Wivenhoe Park Colchester, Essex CO4 3SQ Tel: +1206 872622 [825564h] URL: http://www.tonycoxon.com