The school board asked han to conduct a study on the attitudes of faculty regarding the proposed school uniform policy. han stops by the teachers' lounge and surveys the faculty present. which nonrandom sampling approach did han employ?

a. convenience sampling

b. quota sampling

c. purposive sampling

d. systematic sampling

The teachers present at the teacher's lounge could be there for a variety of reasons, for example it could even me a meeting of the supporters of the school uniform! his sample is therefore possibly biased - there is no way of knowing that it represents the whole population. He chose it because it was convenient to him - and the answer is "a, convenience sampling"