An undergraduate student is given a choice of experiments to participate in and chooses one about dating. The student hypothesizes about how the theory being tested applies to them personally. This is an example of .

Applying a theory to one's self

Explanation:

An undergraduate student is given a choice of experiments to participate in and chooses one about dating. The student hypothesizes about how the theory being tested applies to them personally. This is an example of Applying a theory to one's self

Applying a theory to one's self.

Explanation:

Students at University, college or high school practice romantic relationships that is to say students date one another while in school. Now, from the question we are told that a student chooses "dating as his or her experiment. And we are also told that; ''The student hypothesizes about how the theory being tested applies to them personally" which means that the theory of ''dating" has already been experimented by fellow students.