When Ernest was sent to meet the new visiting professor from Texas at the airport, he warmly greeted the first person he saw wearing a cowboy hat. Ernest is using type of problem-solving?

GDL laws are designed to reduce the rates of

A) teen medication usage. B) alcohol and drug usage. C) teen vehicle accidents. D) bullying among peers.

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