In this commentary, we use the manuscripts in this volume as source material from which to highlight what we view as critical issues in integrating intersectionality with developmental science. In reading and meditating on the manuscripts, we abstracted two key themes that were evident, to some extent, in all of the manuscripts: (1) the…

Methodological implications of a person-oriented, holistic-interactionistic perspective in research on individual development are outlined, desirable properties of a mathematical model of a phenomenon are discussed, and selected methods for carrying out person-oriented research are briefly overviewed. These methods are: (1) the classificatory…

This chapter discusses the "person approach" to studying developmental processes by focusing on the distinction and complementarity between this holistic-interactionistic framework and what has become designated as the variable approach. Particular attention is given to measurement models for use in the person approach. The discussion on the…