A Researcher Interested in the Concept of Preparedness Sets Up

A researcher interested in the concept of preparedness sets up a booth at a local mall.Her idea is to compare men and women in terms of what they carry on their person, and to evaluate what types of events or issues they are prepared to handle based on what they are carrying with them.She has chosen a mall setting because people are readily available.In this sense, people at the mall are a:

A) convenience sample.
B) random sample.
C) selected sample.
D) random assignment.