A study systematically collects, analyzes, interprets, and documents evidence according to an appropriate methodology. What most fundamentally qualifies it as research?
Five year old David watches as you pour water from a short, wide glass into a tall, narrow one. He says there is now more water than before. This response demonstrates that:
A.David understands the concept of conservation
B.David does not understand the concept of conservation
C.Davidโs cognitive development is "behind" for his age
D.b and c
Correct answer is:
B. David does not understand the concept of conservation