A Researcher Wants to Sample One-Fourth of a Population of Geriatric

Multiple Choice

A researcher wants to sample one-fourth of a population of geriatric patients for a study on anemia. Using a random number table, he selects the second person on the list as the first participant and samples the 2^nd, 6^th, 10^th, etc. people from his sample. This is an example of what type of sampling:

A) Simple random sampling
B) Systematic random sampling
C) Stratified random sampling
D) Stratified random sampling with differential probabilities