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What is non probability sampling?

What is non probability sampling?

 Nonrandom Sampling is: 

when every individual, object or score DOES NOT has an equal chance of being chosen

Types of non random sampling:
1. Convenience sampling
a type of convenience or accidental sampling which relies heavily on available subjects
— eg. people walking past certain area

2. Judgemental sampling
– Based on your knowledge of the population, its elements and your research aims

3. Quota Sampling
— Based on the number of people you want to include in the study