A Group of Experimenters Want to Test the Effectiveness of a Well-Known

question 29

Multiple Choice

A group of experimenters want to test the effectiveness of a well-known and expensive brand of pain medication against the effectiveness of a lesser-known and cheaper brand.To prevent any expectations about brand effectiveness from influencing their experimental test,the researchers are likely to make use of

• A) random sampling.
• B) replication.
• C) operational definitions.
• D) the double-blind procedure.

---

Definitions:

Demographic Variable

A characteristic used to segment populations for study, such as age, gender, income level, education, or ethnicity.

Social Class

A segmentation of society according to socioeconomic standings.

Cultural Experiences

Engagements that allow individuals to immerse themselves in the practices, customs, and values of different societies.

Segmentation Variables

refer to the criteria or bases used in dividing a market into distinct subsets of consumers with common needs or characteristics, such as demographic, geographic, psychographic, and behavioral variables.