Developmental norms are used as a benchmark to determine where one should be developmentally.
t or f

True.

Explanation:

Development is any action or effect related to the process of growth, evolution of an object, person or situation under a given condition. Development is very important so that the goals set are achieved through well planned and executed development. Because of all this importance, it is important that development standards are established, to determine the guidelines needed for proper development, and to reference where to be in development.