The NIH Is Taking Proposals for a New Research Grant

question 39

Multiple Choice

The NIH is taking proposals for a new research grant they are bestowing. The NIH is particularly interested in research proposals that use an A-B-A design. Which of the follow research designs would be most appropriate for the grant?

• A) Research that assesses obsessive-compulsive disorder symptoms and then requires participants to touch a public toilet seat and then reassesses obsessive-compulsive symptoms.
• B) Research that requires participants to touch a public toilet seat and then assesses obsessive-compulsive symptoms.
• C) Research that assesses obsessive-compulsive symptoms and then participants are required to touch a public toilet seat and their obsessive-compulsive symptoms are reassessed. Then participants are permitted to release the toilet seat and their obsessive-compulsive symptoms are assessed again.
• D) Research that assesses obsessive-compulsive symptoms and requires participants to touch a public toilet seat, then reassesses obsessive-compulsive symptoms, then the participants are permitted to release the toilet seat and their obsessive-compulsive symptoms are assessed, followed by reintroduction of touching the toilet seat and assessment of obsessive-compulsive symptoms.

---

Definitions:

Haplodiploidy Hypothesis

A genetic mechanism explaining the evolved social behavior in certain species, where males are haploid and females are diploid.

Eusociality

A complex social structure seen in some animal species, characterized by cooperative care of the young, reproductive division of labor, and overlapping generations within a colony.

Parental Investment

The effort expended by parents in raising offspring to improve their chances of survival and reproductive success.

Reproductive Output

The total number of offspring an organism can produce over its lifetime, a key factor in evolutionary fitness.