A professor conducts a study on tipping behavior in restaurants and hotels, which is designed to determine whether factors such as posture and communication influence tips left by customers. He conducts this study based on his experience in working at a restaurant as a youth. From this scenario, it can be inferred that the initial idea for the professor's study stems from:
A)past research.
B)his common sense and intuition or gut feeling.
C)a scientific theory.
D)his observation of an actual event.

Question

Quizplus · Accepted Answer

The professor's initial idea for the study is based on his personal experience or observation, making D the best choice. Options A and C imply that the professor's study is based on previous research or a scientific theory, which is not explicitly stated in the scenario. Option B suggests that the professor's study is based solely on intuition or gut feeling, which is unlikely for a scientific study.

A Professor Conducts a Study on Tipping Behavior in Restaurants