Dr. Walton is interested specifically in how the brain changes during the period of infancy and early childhood. As such, his interest falls most clearly into which of the following domains of human development?

A gesture that conveys conventional meanings that are recognized by members of a given culture, such as a hand wave or a nod of the head, is called a(n) _____

A) archetype B) emblem C) illustrator D) manipulator

Dr. King is conducting a study from behind one-way mirrors using adult participants. After the research session is over, Dr. King should be sure to use __________ techniques

A) informed consent B) protection from harm C) debriefing D) beneficial treatment