For which of the following questions would a researcher be most likely to use an observational study?
A) Is memory for television commercials influenced by the content of the programs in which the commercials appear?
B) Is there any relationship between taking social psychology courses and happiness later in life?
C) Does the consumption of alcohol lead to increased aggressiveness?
D) Do banks tend to offer heterosexual couples lower interest rates on home mortgages than homosexual couples?

Question

Quizplus · Accepted Answer

Observational studies are typically used to assess relationships between variables that cannot be manipulated, such as sexual orientation in the case of the question about mortgage interest rates. The other questions may require experimental designs or other types of studies.

For Which of the Following Questions Would a Researcher Be