A Researcher Interested in the Concept of Preparedness Sets Up

Multiple Choice

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 hangs a sign on her booth that reads, "Research study underway; stop here to participate." Everyone who willingly participates in her study is part of a:

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