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Sampling Technique Overview

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Questions and Answers

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 (correct)

To demonstrate the researcher's expertise in statistics

To highlight the constraints faced during the sampling process

To showcase the complexity of the research methodology

Which of the following is NOT a requirement for using simple random sampling?

The population must be finite and easily countable

Every member of the population must have an equal chance of being selected

The population must be divided into subgroups (correct)

The population must be homogeneous

Which of the following sampling techniques guarantees that every member of the population has an equal chance of being selected?

Purposive sampling

Probability sampling (correct)

Quota sampling

Convenience sampling

Which of the following sampling techniques involves selecting a sample based on the researcher's judgment or specific purpose?

Purposive sampling Signup and view all the answers

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 Signup and view all the answers

Which of the following is a characteristic of simple random sampling?

The population is easily countable and homogeneous Signup and view all the answers

Which of the following is NOT a method involved in simple random sampling?

Systematic sampling Signup and view all the answers

What is the formula for calculating the frequency of selection in systematic sampling?

$F = N S$ Signup and view all the answers

What is one disadvantage of systematic sampling?

It violates the fundamental premise of probability sampling Signup and view all the answers

When is stratified random sampling used?

When studying a population made up of distinct subgroups Signup and view all the answers

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 Signup and view all the answers