The type of research design that compares various participants at several points in time to examine age-related differences and changes is called a __________ design.

Suppose that you hear about a man who has retrograde amnesia. What kind of memory task will he find most difficult?

task will he find most difficult? a. working-memory tasks b. remembering events that happened before his brain injury c. remembering visual information about events that happened after his brain injury d. remembering verbal information about events that happened after his brain injury

What does the term libido refer to?

a) Repressed aggressive impulses b) The energy derived from the sex drive c) The physical component of sexuality d) The term for "sexual intercourse" in German