Difference between Random Sampling and Convenient sampling

Random Sampling

1. Entire list of population is required for random sampling
2. Individuals are selected randomly.
3. This method is also called as the lottery method.
4. This method can be generalized to the population
5. Selection of the sample is not purposive/biased

Convenience sampling

1. Entire list of population may not be required.
2. Groups of individuals are selected randomly.
3. This method is also called as accidental sampling or opportunity sampling.
4. This method cannot be generalized to the population
5. Selection of the sample is purposive/biased

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