Asurvey is a study in which a. an experimental group is given a placebo. b. a researcher asks one person many questions. c. people in a sample are all asked the same questions. d. some subjects are placed in an experimental group.

A survey is a study in which people in a sample are all asked the same questions. A survey is either done by flyer, email, or phone survey that will ask a sample group of people different questions. The survey allows for respondents to answer questions regarding their experience or thoughts on something. A company can gain a lot of insight because they are able to compare answers to the questions.