Which research method provides the best way of assessing whether cigarette smoking boosts mental alertness?
A) the case study
B) the survey
C) naturalistic observation
D) the experiment

Question

Quizplus · Accepted Answer

The experiment is the best method to assess whether cigarette smoking boosts mental alertness because it allows for the manipulation of the independent variable (cigarette smoking) and control of extraneous variables, which allows for a cause-and-effect relationship to be established. Other methods such as case studies, surveys, and naturalistic observation do not allow for the same level of control and manipulation of variables.

Which Research Method Provides the Best Way of Assessing Whether