According to the United States Department of Education, approximately 4,172,347 four-year-olds are eligible to attend publicly funded preschool programs. Of this number, only 1,709,607 of those eligible are enrolled in a publicly funded preschool program (U.S. Department of Education, 2014). Because of a lack of quantitative and qualitative data…

This article examines research that calls into question the soundness of current definitions of problematic infant sleep. Current research suggests that infant night wakings and signaling behaviors may be normative. Research is inconclusive on whether early sleep problems are predictive of later sleep problems. The article also describes research…

Elusive developmental processes are most often examined in the context of the philosophic problem of scientific determinism. The Markov process model, enhancing a probabilistic viewpoint for the explanation of developmental data, should be restricted. Attention should be focused on the immediate context and situational setting of a subject. The…