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WorksheetsResearch: Sampling
Total questions: 15
Worksheet time: 15mins
A researcher identifies professional athletes as a group of interest to test her research hypothesis. She then identifies a few local professional teams and selects a small group of the local athletes to be observed. In this example, who is the target population?
not clearly identified
all professional athletes
the few local professional athletes
the small group of professional athletes who were observed
Which category of sampling is used when the probability of selecting each individual in a population is known and every member of the population has an equal chance of being selected?
probability sampling
nonprobability sampling
both probability and nonprobability sampling could be correct
neither probability nor nonprobability sampling could be correct
What is a method of sampling in which the first participant is selected using simple random sampling, and then every nth person until all participants have been selected?
simple random sampling
cluster sampling
stratified random sampling
systematic sampling
What is a limitation of cluster sampling?
It involves convenience sampling methods.
Identifying clusters in a population is not possible.
It limits a sample to individuals in the chosen clusters.
It applies a random sampling method to select participants in each cluster.
Sampling bias results in a sample that is not ______.
selected from a population
accessible
biased
representative
Which of the following methods of sampling is not random?
sampling with replacement
sampling without replacement
convenience sampling
stratified sampling
When a population is naturally grouped, selecting subgroups and omitting the other groups is an example of ______.
simple random sampling
cluster sampling
convenience sampling
stratified sampling
A researcher wants to understand student’s study habits across the state. However, she lives in a rural area and decides to use the local middle school instead of schools across the state. What kind of sampling is this?
quota sampling
random sampling
stratified sampling
convenience sampling
This occurs when sampling procedures employed in a study favor certain individuals or groups over others.
Sampling bias
Fallacy
Population Bias
Generalization
In which of the following sampling methods does each member of the population have an equal chance of being selected into the sample?
simple random sample
proportional stratified sample
systematic sample with a random starting point
all of the above
Which of the following statements is true regarding the sample size you need in a research study?
You should include 10% of the population in your sample.
The more categories or breakdowns you want to make in your data analysis, the smaller the sample size needed.
The more homogeneous the population the larger the sample size needed.
The larger the sample size, the smaller the sampling error.
Which of the following is a form of nonrandom sampling?
Quota sampling
Convenience sampling
Purposive sampling
All of the above
If we took the 400 people making up a local corporation, divided them by gender, and then took a random sample of females and a random sampling of males, the variable on which we divided the population is called the _____.
stratification variable
systematic variable
selection variable
sampling variable
The textbook of Johnson and Christensen recommended that you include the entire population in your research study when the population is 100 or less.
True
False
If the researcher makes sure that each member of the population has the same chance of being included in the sample, then the approach is known as a simple purposive sample.
True
False
