An investigation that studies the frequency of flossing and periodontal disease is called a ________.

Question

Quizplus · Accepted Answer

A correlational study is the best choice as it aims to examine the relationship between two variables - in this case, the frequency of flossing and periodontal disease. A survey could also be used to gather information on flossing habits and periodontal disease, but it does not necessarily investigate their relationship. A trend is a pattern or direction of change over time, and a case study is an in-depth analysis of a specific individual or group. Therefore, these options are not as applicable to this scenario as a correlational study.

An Investigation That Studies the Frequency of Flossing and Periodontal