The power of a mixed-methods approach combining anthropological and psychological theories and methods is demonstrated through the experiences of the International Study of Parents, Children, and Schools, a collaborative project involving teams of researchers from seven Western countries. The developmental niche framework of Super and Harkness proved useful for integrating multiple methods to understand the context of children\u2019s early development at home and at school. Several parts of the study are presented as illustrations: the development and application of a common list of descriptors for coding parents\u2019 discourse about their children; the construction of a derived etic form of a child temperament questionnaire; the discovery...