Author Question: When a researcher uses probability sampling, he/she can: a. never be sure that the sample ... (Read 63 times)

brutforce · **on:** Aug 13, 2018

When a researcher uses probability sampling, he/she can:

a. never be sure that the sample reflects the population from which it was drawn
b. estimate the amount of sampling error that can be expected
c. never guarantee the population elements of a known nonzero probability of being selected for the sample
d. never be sure that the entire sampling frame was included

Question 2

In order to study active criminals who have not been arrested for their criminal acts, the researcher would be wise to employ which type of sampling technique?

a. purposive sampling
b. snowball sampling
c. convenience sampling
d. stratified random sampling