Parents? Daycare provider? Childcare-Preschool teacher?
The answer to this question is; all of the above. It first starts at home with the parents. In order to have a successful program; their needs to be follow through along with consistency on all of the parties involved. In most cases, the child will give you clues that he or she is ready. Several clues can be; showing independence-wanting to dress themselves, sit on the toilet or even participate in wiping.