In North America, the People Who Are at Greatest Risk

question 62

Multiple Choice

In North America, the people who are at greatest risk for HIV infection

• A)are men who have had sex with other men.
• B)heterosexuals with a history of multiple partners.
• C)people who have shared needles for tattoos or for intravenous drug use.
• D)are all of these.

---

Definitions:

Guthrie

Refers to Edwin Ray Guthrie, a psychologist known for his contiguity theory of learning which posits that a combination of stimuli and responses, being contiguous in time, becomes associated.

Single-Trial Learning

The process by which an association or response is learned in one exposure to a stimulus.

Tolman

Edwin C. Tolman was an American psychologist who made significant contributions to the study of learning and motivation in what came to be known as cognitive maps.

Demand

The desire or need for products, services, or resources combined with the ability and willingness to pay for them.