What strategy do parents use that allows a child to indicate an interest and then elaborate on that interest?

Parents use the strategy of encouragement which allows the child to indicate an interest and then elaborate on it.

Explanation:

In order to devise the inclination of the child, the parents implement various methods to make the child show or develop interest in certain disciplines. It is through encouragement from the parents, that the child finds it easy to speak about his/her interests easily and seek the necessary primary opinions regarding the discipline of his/her interest.