Week 1 Evidence, Claims, and types Questions and Answers

1. A study is planned to research the effects of drinking coffee on hours of

sleep. Would an experimental or observational study design be more

appropriate?

Select the correct answer below:

An observational study should be used because it is not possible to control whether or

not a person drinks coffee.

An observational study should be used because it is not possible to control the number

of hours of sleep a person has.

An experim...