Preschool improves children's kindergarten readiness, but the cognitive outcomes of preschool enrollees and nonenrollees tend to converge partially or fully in elementary school. In older programs, most of this convergence occurs in kindergarten (Li et al., 2016), but evidence from today's programs is sparse. Using data on 4,971 children who…

This study investigates whether children's preschool experiences are associated with later achievement via enhanced learning behaviors using data from a German longitudinal study following children (N = 554) from age 3 in preschool to age 8 in second grade. There were two main findings. First, results suggest that more positive learning behaviors…

The purpose of this study was to empirically examine the dimensionality of language ability for young children (4-8 years) from prekindergarten to third grade (n = 915), theorizing that measures of vocabulary and grammar ability will represent a unitary trait across these ages, and to determine whether discourse skills represent an additional…

Investigated preschool, second, and fifth grade children's definitions of, moral standards for, and internal evaluative reactions to lies and truthful statements. Older children correctly identified almost all statements, whereas preschoolers correctly identified about 70 percent. Lies were rated as worse than truthful statements by all age…

Studied the way in which 32 preschoolers aged three-five years, 28 second-graders and 64 undergraduates generalized from a labeled exemplar to other potential members of the same category. Results indicated that preschoolers focused mostly on single attributes in making category decisions and older individuals primarily exhibited multiple…