Which of the Following Alternatives Correctly Identifies BOTH an Advantage

Multiple Choice

Which of the following alternatives correctly identifies BOTH an advantage AND a disadvantage of naturalistic observation?

A) Naturalistic observation is highly reflective of actual behaviour, but it is difficult to generalize results gained through the study of a single person.
B) Naturalistic observation is highly reflective of actual behaviour, but it is prone to biases.
C) Naturalistic observation allows cause-and-effect conclusions, but it can be highly artificial.
D) Naturalistic observation allows control over variables, but it is prone to biases.