Multiple Choice
The best way to obtain a representative sample is to:
A) use a purposive sample
B) use cluster random sampling -- with five clusters
C) use a stratified random sample -- with a total of 30
D) use a large simple random sample
Correct Answer:

Verified
Correct Answer:
Verified
Q14: The term "external validity includes:<br>A) population generalizability
Q15: Recommended sample sizes are usually:<br>A) determined by
Q16: Random sampling is least effective when:<br>A) a
Q17: Matching<br>-Convenience sample<br>A) Especially available subjects<br>B) Selection of
Q18: The first step in selecting a sample
Q20: In random sampling, it is necessarily true
Q21: The entire collection of people, elements, scores,
Q22: Use of a volunteer sample is generally
Q23: In reading a table of random numbers,
Q24: Matching<br>-Target population<br>A) Especially available subjects<br>B) Selection of