2. sampling Flashcards
(15 cards)
1
Q
What is meant by random sampling?
A
- chosen at random
- everyone in the population has the same chance of getting chosen
2
Q
What is an advantage of using random sampling?
A
- quick and can be performed on a computer
3
Q
What is a disadvantage of using random sampling?
A
- could end up with an unrepresentative sample
4
Q
What is meant by stratified sampling?
A
- every nth person from a list
5
Q
What is an advantage of systematic sampling?
A
- very convenient when you have a list of people on a database
6
Q
What is a disadvantage of systematic sampling?
A
- can be unrepresentative depending on how the list is organised
7
Q
What is meant by stratified sampling?
A
- e.g. 50% of males and 50% of females
- the sample frame in divided into a number of smaller groups (strata)
8
Q
What is meant by multistage sampling?
A
- researchers select a sample by using combinations of different sampling techniques
9
Q
What is meant by snowball sampling?
A
- start with one person, ask them to suggest someone else to interview
10
Q
What is an advantage of snowball sampling?
A
- useful when a sample is difficult to obtain
11
Q
What is meant by quota sampling?
A
- selecting people with particular characteristics
12
Q
What is a disadvantage of quota sampling?
A
- issue of representativeness
13
Q
What factors may influence a researcher when choosing a sampling method?
A
- theoretical perspective
- practical factors
- ethical factors
14
Q
What kind of sampling would a positivist use?
A
- they would want to make sure their samples are representative of wider populations
15
Q
What kind of sampling would an interpretiivst use?
A
- more interested in getting niche samples of deviant groups
- no need to generalise
