Aaron has always had an irritable temperament. As a baby, he often cried and was difficult to soothe. As a toddler, he threw temper tantrums if he didn't immediately get something he wanted. As a preschooler, he was moody and unpredictable. He's often so ornery that other peopleeven family memberssimply don't want to be around him very much. Which one of the following principles best describes this situation?
a. Children's natural tendencies affect their environment.
b. The relative effects of heredity and environment vary for different developmental domains.
c. Inherited tendencies make children more or less responsive to particular environmental influences.
d. For some aspects of development, when certain environmental conditions are present is just as important as whether they are present.
Question 2
Which one of the following best illustrates physical development as a developmental domain?
a. Mark can watch a basketball player and critique his movements.
b. Tammy can hold and use a pencil more easily than she could last year.
c. Timothy is increasingly able to understand other people's points of view.
d. Thomas learns how to count by practicing counting with a variety of household objects.