A classic study on this
The Dimensional Change Card Sort (DCCS): a method of assessing executive function in children
Philip David Zelazo · 2006 · Nature Protocols
- Children
- Not given in the summary we read
- Where
- Not given in the summary we read
- Ages
- 3 to 5 years
- How
- A guide to the card-sorting game
- What it found
- Most 3-year-olds keep sorting by the old rule even when told the new one, and most 5-year-olds switch.
- Limits
- We have only read the summary.