The research method in which subjects are observed unobtrusively, so that their
behavior is not affected by the known presence of an observer, is the ______ method.
a. case-study c. correlational
b. experimental d. naturalistic observation
Question 2
A diathesis or predisposition is usually genetic in nature, such as having a particular
genetic variant that increases the risk of developing a particular disorder.
Indicate whether the statement is true or false