A child who is in what Piaget described as the preoperational stage of development has not yet developed ___________, that is the idea just because an object changes it's appearance does not mean that it's basic properties have changed. This means that the child in the picture would likely say that the taller glass contains more liquid than the shorter glass even though she previously saw that there was a similar amount of liquid when it was displayed in two short glasses.
a. Conservation
b. Logical reasoning
c. Abstract thinking
d. Critical thinking skills