Exam 12: Sampling Methods

What is a major disadvantage when using convenience sampling? In what situation is convenience sampling particularly useful?

Which sampling-related theory states the idea that the mean of the scores obtained from the probability sample will be equal to the mean of the scores obtained from the population?

Which of the following is an advantage of network sampling?

Jamie is conducting a study using college students. He realizes that he needs a sample because there is no way he could possibly survey all college students in the world. All college students would represent what?

Match each of the following terms with the correct statement. -Nonprobability Sampling

Joann is conducting a study using a large mailing list. After rolling a dice, she ends up selecting every fourth person on the list until she meets her needed sample size. What type of sampling procedure did Joann use?

Match each of the following terms with the correct statement. -Probability Sampling

Explain what sampling is and why we use samples and not populations in research studies.

Carlos runs a study where he wants to compare blind and deaf college students and their perceptions of professor sensitivity to the needs of other-impaired students. To conduct his study, he contacts organizations consisting of blind and deaf college student groups at universities across the country. He then randomly selects members from each organization for participation in his study. What form of probability sampling did he use?

A sample is an entire set of objects, observations, or scores that have some characteristic in common.

Xavier is conducting a study within a large multinational organization. He's gotten permission to randomly sample people at offices in the United States. All of the employees within these offices are considered Xavier's what?

To quickly conduct a study on instructor-student communication, a communication researcher hands outs surveys in three large lecture classes taught on her campus. What type of sample does this represent?

Explain the central limits theorem.

Match each of the following terms with the correct statement. -Central Limits Theorem

Daryl is conducting a study on student perceptions of college professors' teaching. He finds a professor who will let him conduct a survey in a larger 300 student lecture hall. What type of sampling procedure did Daryl use?

Nonprobability samples involve randomly selecting participants from a population of interest so that all potential participants have an equal chance of being selected for the sample.

Provide an example to explain cluster sampling. How is cluster sampling different from stratified sampling?