From an early age, children show a tendency to map novel labels onto unfamiliar rather than familiar kinds of objects. Accounts of this tendency have not addressed whether children develop a metacognitive representation of what they are doing. In 3 experiments (each N = 48), preschoolers received a test of the "metacognitive disambiguation…

Alleviating disadvantage in low-income environments predicts higher cognitive abilities during early childhood. It is less established whether family income continues to predict cognitive growth in later childhood or whether there may even be bidirectional dynamics. Notably, living in poverty may moderate income-cognition dynamics. In this study,…

In recent years, more than 700,000 children aged 3 through 5 years identified with speech or language impairments (44%), developmental delay (37%), autism (9%), and other disabilities (10%) received federally supported special education services. For our republished article in the inaugural issue of the 50th anniversary volume, we have selected a…