Sampling in quantitative research - Types of probability sampling

5 important questions on Sampling in quantitative research - Types of probability sampling

What are two important points of simple random sample?

  • No opportunity for human bias to manifest itself
  • Not dependent on the employees availability

What is systematic sample?

Units are selected directly from the sampling frame, without sorting a table of random numbers. E.g. Sampling fraction is 11, then you select every 11th employee.

What is stratified random sample?

Resulting samplw will be distributed in the same way as the population in terms of stratifying criteria (age/ gneder/ department)
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What is multi-stage cluster sampling?

The primary sample unit is not hte units of the population to be sampled but grouping of those units.

What is the advantage of MSC sampling?

It allows interview to be far more concentrated geographically than would be the case if a sample random or stratified sample was selected

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