ABSTRACT
Previous chapters in this volume have focused on conceptual models that will serve to integrate research in personality and temperament. Those models constitute emerging paradigms that will help to organize future directions for research. We view our chapter as complementary to the other work in this volume in that our interests lie in forwarding methodological and statistical models that allow for strong tests of competing conceptual models in personality and developmental personality research. Ln particular, we hope to demonstrate how such models should be considered, both conceptually and analytically, in the presence of method variance (such as when data are obtained across multiple measures, occasions, and/or informants).
