Podcast
Questions and Answers
What is the key characteristic of probability sampling?
What is the key characteristic of probability sampling?
What is a disadvantage of systematic sampling?
What is a disadvantage of systematic sampling?
Stratified random sampling involves dividing the population based on which factors?
Stratified random sampling involves dividing the population based on which factors?
Which sampling method would be characterized as non-probability sampling?
Which sampling method would be characterized as non-probability sampling?
Signup and view all the answers
A researcher selects every 4th participant based on a random start. This technique is known as:
A researcher selects every 4th participant based on a random start. This technique is known as:
Signup and view all the answers
Which of the following is a qualitative research method most suitable for non-probability sampling?
Which of the following is a qualitative research method most suitable for non-probability sampling?
Signup and view all the answers
What is a primary concern when using convenience sampling?
What is a primary concern when using convenience sampling?
Signup and view all the answers
In stratified random sampling, what is the purpose of creating strata?
In stratified random sampling, what is the purpose of creating strata?
Signup and view all the answers
Which sampling technique is most likely to involve judgment in selecting participants?
Which sampling technique is most likely to involve judgment in selecting participants?
Signup and view all the answers
A method that relies heavily on social networks for participant recruitment is referred to as:
A method that relies heavily on social networks for participant recruitment is referred to as:
Signup and view all the answers
What is a defining characteristic of stratified random sampling?
What is a defining characteristic of stratified random sampling?
Signup and view all the answers
Which of the following best describes multistage cluster random sampling?
Which of the following best describes multistage cluster random sampling?
Signup and view all the answers
When is probability sampling considered appropriate?
When is probability sampling considered appropriate?
Signup and view all the answers
What is a major limitation of convenience sampling?
What is a major limitation of convenience sampling?
Signup and view all the answers
What is the purpose of quota sampling?
What is the purpose of quota sampling?
Signup and view all the answers
In what situation is network (snowball) sampling most useful?
In what situation is network (snowball) sampling most useful?
Signup and view all the answers
How does systematic random sampling differ from simple random sampling?
How does systematic random sampling differ from simple random sampling?
Signup and view all the answers
What is a drawback of using multistage cluster sampling in a widely distributed population?
What is a drawback of using multistage cluster sampling in a widely distributed population?
Signup and view all the answers
Which of the following implies a convenience or judgment-based selection of respondents?
Which of the following implies a convenience or judgment-based selection of respondents?
Signup and view all the answers
Which of the following methods can lead to a less representative sample of a population?
Which of the following methods can lead to a less representative sample of a population?
Signup and view all the answers
Which sampling method ensures that every member of the population has a known chance of being selected?
Which sampling method ensures that every member of the population has a known chance of being selected?
Signup and view all the answers
What distinguishes stratified sampling from other sampling methods?
What distinguishes stratified sampling from other sampling methods?
Signup and view all the answers
Which of the following best describes systematic sampling?
Which of the following best describes systematic sampling?
Signup and view all the answers
In cluster sampling, what is done after forming the clusters?
In cluster sampling, what is done after forming the clusters?
Signup and view all the answers
What is the key limitation of convenience sampling?
What is the key limitation of convenience sampling?
Signup and view all the answers
How does probability sampling differ from non-probability sampling?
How does probability sampling differ from non-probability sampling?
Signup and view all the answers
What is the primary advantage of using stratified sampling?
What is the primary advantage of using stratified sampling?
Signup and view all the answers
Which sampling method could be least appropriate for conducting a survey on a specialized medical condition?
Which sampling method could be least appropriate for conducting a survey on a specialized medical condition?
Signup and view all the answers
What is a common misconception regarding cluster sampling?
What is a common misconception regarding cluster sampling?
Signup and view all the answers
Which situation is an example of systematic sampling?
Which situation is an example of systematic sampling?
Signup and view all the answers
Study Notes
Probability Sampling
-
Simple random sampling:
- Each member of the population has an equal chance of being selected.
- Requires a comprehensive sampling frame.
- Can be done using SPSS, online random sample generators, or a table of random numbers.
-
Systematic sampling:
- Involves selecting every nth individual after a random starting point.
- The interval between selections should be fixed and not correspond with any patterns in the population.
-
Stratified random sampling:
- Divides population into subgroups based on a specific characteristic, like age, gender, or socioeconomic status.
- A random sample is then selected from each subgroup.
-
Multistage cluster random sampling:
- Used when the population is geographically dispersed.
- Involves dividing the population into clusters, then randomly selecting clusters and sampling within those clusters.
- Clusters are assumed to be similar to each other and to the overall population.
### Nonprobability Sampling
-
Convenience sampling:
- Selection based on ease of access.
- Often used as a preliminary method, but can be prone to bias.
-
Quota sampling:
- Convenience sampling with quotas for demographic characteristics.
- Aims to achieve proportions found within the population, but does not involve random selection.
-
Purposive sampling:
- Respondents are handpicked based on their perceived representativeness of the population.
- Can be useful for specific situations where a particular type of participant is required.
-
Network (snowball) sampling:
- Used when locating respondents with specific characteristics is difficult.
- The researcher finds initial respondents and asks them to recommend others.
-
Respondent driven sampling:
- Similar to snowball sampling, but respondents are incentivized to recruit other participants, increasing the likelihood of reaching hidden populations.
### Sampling Considerations
- Target population: the overall group of interest.
- Accessible population: the subset of the target population that's reachable.
- Sampling frame: a list of members of the accessible population, used for selecting the sample.
- Sample: the individuals chosen from the accessible population to participate in the study.
- Sampling methodology: the approach used to select the sample, influencing the representativeness of the results.
- Sampling unit: the individual, household, or other unit selected in the sampling process.
- Sampling bias: systematic error resulting from a non-random selection method, compromising the accuracy of the findings.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Related Documents
Description
This quiz covers various probability sampling techniques including simple random sampling, systematic sampling, stratified random sampling, and multistage cluster random sampling. Understand the fundamentals and applications of each method to enhance your research skills.
