Author Question: A researcher can guarantee the representativeness of the sample by a. using stratified random ... (Read 71 times)

asmith134 · **on:** Jun 20, 2018

A researcher can guarantee the representativeness of the sample by

a. using stratified random sampling.
b. employing simple random sampling procedures.
c. using systematic sampling procedures.
d. using the whole population.

Question 2

If not all members of a population have a non-zero chance of being selected for a sample, then

a. the sample may not be representative of the population.
b. there is a risk of inappropriately generalizing results beyond the sample.
c. the sample has been chosen using nonprobability sampling.
d. All of these are true.