Trojan Interviews a Group of 50 Teen Mothers to Determine

Multiple Choice

Trojan interviews a group of 50 teen mothers to determine what sort of knowledge they hold regarding use of contraceptives prior to the time they became pregnant. He then writes an article where he speaks in broad terms about what teen mothers know about the use of contraceptives prior to becoming pregnant. In this study, the group of 50 teen mothers is called the _____, while all teen mothers are collectively called the _____.

A) control group; population
B) population; sample
C) sample; control group
D) sample; population