Dr. johnson, who studies changes in memory as adults get older, and dr. smith, who studies how children interact through age 12, are both psychologists.

Doctors recommend that both men and women take an aspirin every day to prevent heart attacks. however, the sample in the research study only contained men. the problem with doctors making this aspirin recommendation reflects a bias.

Abadger lives in oak grove forest. it is a female and it is four years old. which of the following animals could be considered a member of this badger's population? a. a two-year old male red fox living in oak grove forest b. a ten-year-old female skunk living in pine warden forest c. a four-year-old female badger living in a zoo d. a ten-year-old male badger living in oak grove forest

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation