Question: what are the different types of non probability sampling?
Answer: Accidental, Haphazard or Convenience Sampling. One of the most common methods of sampling goes under the various titles listed here. ... 
Purposive Sampling. In purposive sampling, we sample with a purpose in mind. ... 
Modal Instance Sampling. ... 
Expert Sampling. ... 
Quota Sampling. ... 
Heterogeneity Sampling. ... 
Snowball Sampling.