Sampling

Question 1

strength of opportunity sampling

Answer 1

easiest and quickest way to obtain participants

Question 2

weakness of opportunity sampling

Answer 2

sample may not be representative, sample is taken from whoever is available at the time

Question 3

strength of random sampling

Answer 3

least biased method of sampling as all members have an equal chance of being chosen

Question 4

weakness of random sampling

Answer 4

very difficult to conduct especially with large target populations

Question 5

strength of snowball sampling

Answer 5

relatively easy to obtain as research only has to find first few participants

Question 6

weakness of snowball sampling

Answer 6

non representative sample as they are likely to be similar in ways

Question 7

strength of volunteer/self selected sampling

Answer 7

this method allows researcher to reach a wider range of potential participants who are committed to taking part

Question 8

weakness of volunteer/self selected

Answer 8

biased method leading to a non representative sample