Which of the following did Piaget not find to be true of conservation?
a. It is attained at different rates for children in different cultures.
b. Children do not accomplish all the properties of conservation at once, but do so gradually.
c. It is acquired during the formal operational stage.
d. Most 7-year-olds conserve number and mass, but not weight or volume.
Question 2
Piaget used the term horizontal dcalage to refer to
a. combining different dimensions of a perceptual field.
b. progressive acquisition of a certain skill.
c. thinking in a systematic and logical way about abstract information.
d. seeing things from others' perspectives.