Choose the correct answer for each question. You should aim for 90% or more for this quiz

1. Why is sampling necessary? (choose two answers)

   1. Practical reasons: it is too expensive and time-consuming to attempt to study everybody
   2. Practical reasons: it is not usually possible to access all those relevant to a study
   3. All sociologists are interested in general theories
   4. There are ethical problems involved in asking everyone
   Is this the right answer

2. True or false? Sociologists always use samples

   1. False
   2. True
   Is this the right answer

3. What is representative sampling? (choose one answer)

   1. A sample is chosen to be typical of a larger target population
   2. A sample is chosen for practical reasons: cost and easy access
   3. A sample where the research is carried out using ethical approaches
   Is this the right answer

4. What do researchers need to use a representative sample? (choose one answer)

   1. A sampling frame - an up-to-date list of the target population
   2. Lots of money
   3. Lots of time
   Is this the right answer

5. Why would researchers use a non-representative sample? (choose two answers)

   1. Because it is not possible to identify a sampling frame - a complete list of the population
   2. Because it is difficult to gain access to information on some topics, such as criminals, with a representative sample
   3. Because it saves time
   4. Because it is more ethical
   Is this the right answer

6. Which two of the following are examples of representative samples?

   1. Systematic samples
   2. Snowball samples
   3. Cluster samples
   4. Random samples
   Is this the right answer

7. Which two of the following are examples of non-representative sampling?

   1. Purposive sampling
   2. Snowball samples
   3. Stratified samples
   4. Systematic samples
   Is this the right answer

8. Which of the following would count as a random sample of 50 people? (choose one answer)

   1. The researcher asks the first 50 people s/he meets
   2. The researcher puts the names of all the population in a hat and pulls out 50 names
   3. The researcher picks every 50th person from a list of the target population
   Is this the right answer

9. Which one of these would be a stratified sample for research comparing men and women's attitudes to family life?

   1. A sample in which every member of the population has an equal chance of being chosen
   2. Half the sample are men and half are women
   3. A sample which has the same percentage of men and women as appear in the target population
   Is this the right answer

10. What is purposive sampling? (choose one answer)

    1. A sample where the researcher uses personal contacts to gain access to people
    2. A sample which chooses members from small areas because the population is spread out over a large area and is hard to access
    3. A sample chosen to test out a particular idea or hypothesis
    Is this the right answer