Mixed-effects models are an analytic technique for modeling repeated measurement or nested data. This paper explains the logic of mixed-effects modeling and describes two examples of mixed-effects analyses using R. The intended audience of the paper is psychologists who specialize in cognitive development research. Therefore, the concepts and…

Cognitive development is a cultural process. More experienced cultural members and the practices, institutions, and artifacts of the culture provide support and guidance for children as they develop knowledge and thinking skills. In this article, the authors describe the value that is added to our understanding of cognitive development when…

Increasingly, cognitive developmental researchers are forming partnerships with museums as a way to achieve both overlapping and distinctive goals. Such partnerships can further our understanding of cognitive development by providing opportunities to study children's learning within social contexts. At the same time, these collaborations can…

Eye tracking offers a powerful research tool for developmental scientists. In this brief article, the author introduces the methodology and issues associated with its applications in developmental research, beginning with an overview of eye movements and eye-tracking technologies, followed by examples of how it is used to study the developing mind…