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

1. True or false? Representativeness is about what method(s) are used in a study

   1.   ?    True
   2.   ?    False

2. True or false? Validity is the same as representativeness

   1.   ?    False
   2.   ?    True

3. Which two of the following apply to a representative sample?

   1. A sample chosen from a target population so as to be typical of the population
   2. A sample chosen from a target population so that any findings about a sample can be applied (generalised) to the population
   3. A sample chosen to be practical - quick and cheap to use as a basis for research
   Is this the right answer

4. Choose two representative samples from the list

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

5. True or false? All research is meant to be representative

   1. False
   2. True
   Is this the right answer

6. True or false? A large sample is more likely to be representative than a small one

   1. True
   2. False
   Is this the right answer

7. Identify two practical reasons why a researcher might not use a representative sample

   1. It might be difficult to find (gain access to) a sample, e.g. of drug-takers
   2. A particular group such as criminals may be hidden
   3. It might be too expensive
   Is this the right answer

8. Identify one topic from this list where a representative sample might not be realistic

   1. The experience of victims of crime
   2. Attitudes to education
   3. Gender identities
   Is this the right answer

9. Give two reasons why a researcher might use a snowball sample in studying victims of domestic violence.

   1. There is no sampling frame for victims of domestic violence
   2. It could be difficult to gain access to this group unless you had a personal contact
   3. It would be too expensive to use a representative sample
   4. It would be too time-consuming to use a representative sample
   Is this the right answer

10. What is a skewed sample? (choose one answer)

    1. A sample which is biased
    2. A sample which is not reliable
    3. A sample which is not valid
    Is this the right answer