Edward is conducting a surveyof attitudes about the Head Start program. He wants to make sure he has members of all important subgroups of the American population in his sample. What samplingtechnique should he use?
a. Simple random sampling
b. Stratified random sampling
c. Quota sampling
d. Snowball sampling
Answer: b. Stratified random sampling
Stratified Random Sampling: More often than not, you will want to not only examine the results from the overall population, but also understand the differences between key demographic subgroups within the population. For example, you might want to understand the differences between males and females or senior managers and regular employees. If you plan to look at distinct subgroups such as these, you should perform a stratified random sample. In a nutshell, this means you will need to select a separate random sample from each of the subgroups rather than …
Edward is conducting a survey of attitudes about the Head Start program. He wants to make sure he has members of all important subgroups of the American population in his sample. this solution identifies and explains what sampling technique he should use.