This statement is true, although it varies with opinion. Most doctors and child-specialists would agree that it's best to ignore the behavior, as to not give the child attention.
In the event that it is said that deliberate thinking comprises search and inference so one should look for common framework that may assert these lines of thinking, a specific object and after that one should make inferences from and about the object found.
As a natural result of thinking actions, doctrines or beliefs as well as personal goals can come about.