Exam 4: Sampling, How to Select a Few to Represent the Many

Quota sampling is better than convenience sampling because with it a researcher ensures that major differences in the population also appear in the researcherȇs sample.

A researcher may use___________sampling to sample a social network of people or linked organizations.

First thing that a researcher needs to do when using random sampling is

Dr.Van Offer is considering a research study of lung cancer caused by smoking.What population parameter would he most likely look for in the entire population?

Stratified sampling is the same as snowball sampling.

A typical confidence level is 95 percent meaning

Compare and contrast convenience sampling with purposive sampling.

A statistical characteristic of an entire population estimated from a sample,is a___________.

The case or unit of analysis in a population is

What are the limitations of quota sampling?

______________________is the ratio of the sample size to the size of the target population.

A___________is a specific list of sampling elements in the target population.

Dr.Mottle is using stratified sampling and has two frames.If she needs 11% from a frame of 200 and 89% from a frame of 1000,what is the total sample size?

Mr.Marsh is confused - a probability sample would allow him to do what?

One key feature of random samples:

Cluster sampling has advantages and is less expensive than simple random sampling,but is slightly less accurate.

Random-digit dialing

Convenience sampling

Mr.Marsh is creating a list of sample elements using a telephone directory.The list is called a(n)

The larger the sample size