Studies in which every unit in a population has equal probability of being sampled for study, or in which the probability of selection is exactly equal to the sampling fraction, employ_________ sampling methods.
A) cluster
B) nonrandom
C) simple random
D) multistage
E) epsem

Question

Quizplus · Accepted Answer

Simple random sampling ensures every unit has an equal chance of selection, and EPSEM (Equal Probability of Selection Method) also guarantees equal probability of selection for each unit.

Studies in Which Every Unit in a Population Has Equal