According to theory, when given challenging problems, children try out various strategies and observe which work best, which work less well, and which are ineffective.

according to overlapping-waves theory, when given challenging problems, children try out various strategies and observe which work best, which work less well, and which are ineffective.

Overlapping-waves theory made the assumption that after doing the same thing over and over again, people will find a unique and personal way to achieve the completion of that task which give them the most efficiency. This occurrence led to the formation of expertise in most people.