1. The problem of multicollinearity in a multistage causal alienation model: A comparison of ordinary least squares, maximum-likelihood and ridge estimators

   • Peter Schmidt
   • Edward N. Muller

   OriginalPaper Pages: 267 - 297

2. “Best” interaction models

   • Tord Høivik
   • Nils Petter Gleditsch

   OriginalPaper Pages: 299 - 329

3. Causal analysis of data from surveys: Goodman's procedure

   • Jos Dessens
   • Wim Jansen

   OriginalPaper Pages: 331 - 356

4. Abstracts

   Abstract Pages: 357 - 358