Recommended sample sizes are usually:
A) determined by mathematical formulas
B) determined by population size
C) based on the nature of the variables studied
D) based on professional experience
Correct Answer:
Verified
Q14: Two-stage cluster sampling refers to:
A) selecting groups
Q15: Random sampling is least effective when:
A) a
Q16: A purposive sample is used when:
A) the
Q17: A stratified random sample is used when:
A)
Q18: When a convenience sample is used, the
Q20: The term "external validity includes:
A) population generalizability
Q21: Ecological generalizability includes the:
A) characteristics of the
Q22: Which of the following is not true
Q23: In using a table of random numbers:
A)
Q24: In reading a table of random numbers,
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