Sampling Techniques Quiz | Sampling Techniques Objective Type Questions and Answers

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Questions
21 Which of the following is not true about stratified random sampling?
A It involves a random selection process from identified subgroups
B Disproportional stratified random sampling is especially helpful for getting large enough subgroup samples when subgroup comparisons are to be done
C Proportions of groups in the sample must always match their population proportions
D Proportional stratified random sampling yields a representative sample

Answer: Proportions of groups in the sample must always match their population proportions
22 Which of the following is not a form of nonrandom sampling?
A Snowball sampling
B Convenience sampling
C Quota sampling
D They are all forms of nonrandom sampling

Answer: They are all forms of nonrandom sampling
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23 Which of the following would generally require the largest sample size?
A Simple random sampling
B Systematic sampling
C Proportional stratified sampling
D Cluster sampling

Answer: Cluster sampling
24 A type of sampling used in qualitative research that involves selecting cases that disconfirm the researcher's expectations and generalizations is referred to as _______________.
A Negative-case sampling
B Extreme case sampling
C Critical-case sampling
D Typical-case sampling

Answer: Negative-case sampling
25 Using Figure 6.6 (pg. 178), how many participants will you need for a research study with a population of 120,000?
A 384
B 242
C 232
D None of these

Answer: 384
26 If we took the 500 people attending a school in New York City, divided them by gender, and then took a random sample of the males and a random sampling of the females, the variable on which we would divide the population is called the _____.
A Stratification variable
B Independent variable
C Dependent variable
D Sampling variable

Answer: Stratification variable
27 It is recommended to use the whole population rather than a sample when the population size is of what size?
A 500 or less
B 100 or less
C 1000 or less
D you should always use a sample

Answer: 100 or less
28 Which of the following is not an example of a nonrandom sampling technique?
A Cluster
B Purposive
C Convenience
D Quota

Answer: Cluster
29 ___________ is a set of elements taken from a larger population according to certain rules.
A Population
B Statistic
C Element
D Sample

Answer: Sample
30 Which of the following statements are true?
A The larger the sample size, the greater the sampling error
B The more categories or breakdowns you want to make in your data analysis, the larger the sample needed
C The fewer categories or breakdowns you want to make in your data analysis, the larger the sample needed
D As sample size decreases, so does the size of the confidence interval

Answer: The more categories or breakdowns you want to make in your data analysis, the larger the sample needed
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