A main source for the ages
Toddlers' Emerging Ways of Achieving Social Coordinations with a Peer
Carol O. Eckerman, Cláudia Davis, Sharon M. Didow · 1989 · Child Development
- Children
- About 14 pairs of children
- Where
- Not given in the summary we read
- Ages
- 16 to 32 months
- How
- Researchers filmed the same pairs of children as they grew
- What it found
- Playing together in a coordinated way rose clearly between 16 and 32 months, mostly through copying each other.
- Limits
- We have only read the summary. A small group.