A main source for the ages
Development of means-end behavior in young infants: Pulling a support to retrieve a distant object.
Peter Willatts · 1999 · Developmental Psychology
- Children
- Not given in the summary we read
- Where
- Not given in the summary we read
- Ages
- 6 to 8 months
- How
- Researchers tested the same babies over several months
- What it found
- Pulling a cloth on purpose to get a toy increased between 6 and 7 months, and by 8 months babies took account of how far away the toy was.
- Limits
- We have only read the summary, which doesn't give the number of babies or where they lived.