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sampling methods

Representative Sample: Definition, Uses & Methods

By Jim Frost Leave a Comment

What is a Representative Sample?

A representative sample is one where the individuals in the sample reflect the properties of an entire population. Use a representative sample when you want to generalize the results from the sample to a population. By studying a representative sample, you can approximate the properties of the population from which it was drawn. [Read more…] about Representative Sample: Definition, Uses & Methods

Filed Under: Basics Tagged With: conceptual, experimental design, sampling methods

Sampling Methods: Different Types in Research

By Jim Frost 2 Comments

What Are Sampling Methods?

Sampling methods are the processes by which you draw a sample from a population. When performing research, you’re typically interested in the results for an entire population. Unfortunately, they are almost always too large to study fully. Consequently, researchers use samples to draw conclusions about a population—the process of making statistical inferences. [Read more…] about Sampling Methods: Different Types in Research

Filed Under: Basics Tagged With: conceptual, experimental design, sampling methods

Simple Random Sampling: Definition & Examples

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What is Simple Random Sampling?

Simple random sampling (SRS) is a probability sampling method where researchers randomly choose participants from a population. All population members have an equal probability of being selected. This method tends to produce representative, unbiased samples. [Read more…] about Simple Random Sampling: Definition & Examples

Filed Under: Basics Tagged With: conceptual, experimental design, sampling methods

Convenience Sampling: Definition & Examples

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What is Convenience Sampling?

Convenience sampling is a non-probability sampling method where researchers use subjects who are easy to contact and obtain their participation. Researchers find participants in the most accessible places, and they impose no inclusion requirements. Convenience sampling is also known as opportunity or availability sampling. [Read more…] about Convenience Sampling: Definition & Examples

Filed Under: Basics Tagged With: conceptual, experimental design, sampling methods

Systematic Sampling: Definition, Advantages & Examples

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What is Systematic Sampling?

Systematic sampling is a probability sampling method for obtaining a representative sample from a population. To use this method, researchers start at a random point and then select subjects at regular intervals of every nth member of the population. Like other probability sampling methods, the researchers must identify their population of interest before sampling from it. [Read more…] about Systematic Sampling: Definition, Advantages & Examples

Filed Under: Basics Tagged With: conceptual, experimental design, sampling methods

Cluster Sampling: Definition, Advantages & Examples

By Jim Frost 1 Comment

What is Stratified Sampling?

Cluster sampling is a method of obtaining a representative sample from a population that researchers have divided into groups. An individual cluster is a subgroup that mirrors the diversity of the whole population while the set of clusters are similar to each other. Typically, researchers use this approach when studying large, geographically dispersed populations because it is a cost-controlling measure. [Read more…] about Cluster Sampling: Definition, Advantages & Examples

Filed Under: Basics Tagged With: conceptual, experimental design, sampling methods

Stratified Sampling: Definition, Advantages & Examples

By Jim Frost 2 Comments

What is Stratified Sampling?

Stratified sampling is a method of obtaining a representative sample from a population that researchers have divided into relatively similar subpopulations (strata). Researchers use stratified sampling to ensure specific subgroups are present in their sample. It also helps them obtain precise estimates of each group’s characteristics. Many surveys use this method to understand differences between subpopulations better. Stratified sampling is also known as stratified random sampling. [Read more…] about Stratified Sampling: Definition, Advantages & Examples

Filed Under: Basics Tagged With: conceptual, experimental design, sampling methods

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