Helpful info on Serve-and-Return Interactions between parents and infants and preschool children:

A Guide for Parents and Caregivers

https://interprofessional.ubc.ca/files/2017/01/Serve_Return_for_caregivers.pdf#:~:text=Serve%20and%20return%20interactions%20can%20happen%20anytime%2C,is%20something%20we%20can%20do%20throughout%20life!