The idea that physical development proceeds from the head downward is called the: 

 Infants gain the ability to use cues to depth perception in the following order:

On average, how many hours per day do U.S. newborns typically spend crying?

 Due to genetic factors, Lucy is very athletic. As she moves into middle and high school, Lucy chooses to spend more and more time with other athletic children. The fact that Lucy’s genes are affecting her environment in this manner is called a/an __________ effect. 

Which of the following types of theories of cognitive development focus on the mental activities used to deploy attention and memory to solve problems?

 Which of the following is evidence that the environment affects motor development?

Which of the following is a weakness of Piaget’s theory of cognitive development?

Which of the following statements about heritability estimates is TRUE?

The memory system that involves actively attending to, gathering, maintaining, storing, and processing information is called:

The major difference between Piaget’s and Vygotsky’s theories of cognitive development is that Vygotsky emphasized that: