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Free download in PDF Sampling Techniques Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(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
(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
(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
(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
(28)
Which of the following is not an example of a nonrandom sampling technique?
[A]
Cluster
[B]
Purposive
[C]
Convenience
[D]
Quota
(29)
___________ is a set of elements taken from a larger population according to certain rules.
[A]
Population
[B]
Statistic
[C]
Element
[D]
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