The method most often used by researchers to assess peer social status during childhood is the ________

Sarah, a graduate student in psychology, just heard about a

five-year-old child who has already learned calculus. She is thinking about doing an in-depth study of the child for her dissertation because such early-life math skill is so rare. Sarah is considering which research method? A) Naturalistic observation B) Experiment C) Independent study D) Case study

The psychopathological symptoms that sometimes accompany brain impairment __________.

A. are not always predictable B. don't affect cognitive function C. fall into a small number of very specific types D. are indistinguishable from mood disorders