Answer:
All of above
Step-by-step explanation:
Firstly, the kind of data that is provided to you determines what kind of information you can extract from it because of the determinants it is covering. A good set of data shows us how each child is developing and what are the external or internal factors that are inhibiting or enhancing his growth.
This is a way of knowing what needs changing around them. It can also tell us how effective the mode of instruction and the environment around them is.