Which of the Following Research Designs Is Used to Determine

question 74

Multiple Choice

Which of the following research designs is used to determine the causes of behavior that help to explain why the behavior occurs?

• A) correlational
• B) experimental
• C) quasi-experimental
• D) all of these

---

Definitions:

Erectile Dysfunction

The inability to get or keep an erection firm enough for sexual intercourse.

Levitra (Vardenafil)

A prescription medication used to treat erectile dysfunction, working by increasing blood flow to the penis.

Spermatogenesis

The process of sperm cell production in the testes.

Coitus

The sexual act between a male and female involving insertion of the penis into the vagina, also known as sexual intercourse.