A Researcher Who Uses a Double-Blind Experimental Design Is Most

question 13

Multiple Choice

A researcher who uses a double-blind experimental design is most likely trying to reduce which threat to external validity?

• A) Effects of selection
• B) Experimenter reactivity
• C) Treatment and setting interactions
• D) Treatment and history interactions

---

Definitions:

Prejudice

A preconceived opinion or bias against an individual or group without sufficient knowledge, reason, or direct experience, often based on stereotypes.

Fashion Designer

A person who creates original clothing, accessories, or footwear, drawing on trends, artistic concepts, and personal creativity.

Gay Men

Male individuals who experience romantic or sexual attraction to other men.

Subtyping

The cognitive process of creating a subgroup within a category for individuals who do not fit the general stereotype of that category.