Aggression against other humans has no evolutionary function

According to Adelson (1971), one key change observed between early and late adolescence was a sharp increase in authoritarian political views

a. True b. False

A researcher wants to determine a possible cause for a very rare medical disorder, so he flies around the world and interviews the four children who have the disorder

As he interviews each child and his or her family, the researcher is looking for common things that happened to each of these children that might give him clues as to what caused the disease. What type of research is he conducting? A) naturalistic observation B) structured observation C) case study D) correlation