A main source for the ages
The real preschoolers of Orange County: Early number learning in a diverse group of children
Barbara Wiseheart Sarnecka, James Negen, Nicole R. Scalise, Meghan C. Goldman, Jeffrey N. Rouder · 2023 · Journal of Numerical Cognition
- Children
- About 500 children
- Where
- Orange County, California, from many backgrounds
- Ages
- 3 to 6 years
- How
- Researchers tested children's counting and number words
- What it found
- At about 4½ on average, most children could count to ten. Children from lower-income families had learned fewer number words than children from higher-income families.
- Limits
- One area of one country. It doesn't give the age when half of children reach each step.