One Way to Fix the Problem of Lessened Representativeness in Cluster

question 18

Multiple Choice

One way to fix the problem of lessened representativeness in cluster sampling is to ______ of clusters in the sampling procedure.

• A) use another level
• B) eliminate some
• C) switch participants
• D) use larger sizes

---

Definitions:

Carotenoids

A class of pigments found in plants that are responsible for yellow, orange, and red colors and play roles in photosynthesis and photoprotection.

Steroids

Complex molecules containing carbon atoms arranged in four attached rings, three of which contain six carbon atoms each and the fourth of which contains five (e.g., cholesterol and certain hormones, including the male and female sex hormones of vertebrates).

Purine Base

A type of nitrogen-containing base, including adenine and guanine, which are components of DNA and RNA.

Guanine

A nitrogenous purine base that is a component of nucleic acids and GTP.