Answer and Explanation:
Convenience Sampling also called as accidental, opportunity or grab sampling is a sort of non-likelihood sampling that includes the sample being drawn from that piece of the populace that is near hand. This sort of sampling is most valuable for pilot testing.
As , the sociologist investigates just his own class understudies to come up with conclusions, he is in reality utilizing convenience sampling.
Utilizing convenience sampling is constantly liable to inclination answer prompts under coverage of assortment of perceptions and in this way diminishes the exactness of samples.