12 Questions
What is the main purpose of describing the sampling procedure in a research study?
To provide transparency and justify the validity of the sample selection
Which of the following is NOT a requirement for using simple random sampling?
The population must be divided into subgroups
Which of the following sampling techniques guarantees that every member of the population has an equal chance of being selected?
Probability sampling
Which of the following sampling techniques involves selecting a sample based on the researcher's judgment or specific purpose?
Purposive sampling
What is the key difference between probability and non-probability sampling?
Probability sampling ensures every member of the population has an equal chance of being selected, while non-probability sampling does not
Which of the following is a characteristic of simple random sampling?
The population is easily countable and homogeneous
Which of the following is NOT a method involved in simple random sampling?
Systematic sampling
What is the formula for calculating the frequency of selection in systematic sampling?
$F = N S$
What is one disadvantage of systematic sampling?
It violates the fundamental premise of probability sampling
When is stratified random sampling used?
When studying a population made up of distinct subgroups
What is the difference between proportionate and non-proportionate stratified random sampling?
Proportionate sampling selects subjects in proportion to the size of the subgroup, while non-proportionate sampling does not
What is one problem that can introduce error in systematic sampling?
The order in which the names are listed
Learn about the sampling procedures used in research, including how to select a sample from a population and overcome constraints. Understand the importance of making accurate population unit lists and obtaining an adequate sample from the population.
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