Sampling

Question 1

Key Words

Answer 1

Sample - the people who are selected to take part in the research
The target population - the group of people the researcher is interested in
Sampling frame - the group of people from the target population from which the sample is to be drawn
Representative - how closely the final sample represents the target population
Generalisation - applying the findings to the target population

Question 2

Random Sampling

Answer 2

A sample of participants produced by using a random technique such as every member of the target population being selected as an equal chance

Question 3

Snowball Sampling

Answer 3

Relies on referrals from initial participants to generate additional participants

Question 4

Opportunity Sampling

Answer 4

A sample of participants produced by selecting people who are most easily available at the time of the study

Question 5

Stratified Sampling/Quota

Answer 5

A sample of participants produced by identifying subgroups according to their frequency in the target population
Participants are then selected randomly from the subgroups

Question 6

Systematic Sampling

Answer 6

A sample obtained by selecting every Nth person
This can be a random sample to sect your group then you select every Nth person after that

Question 7

Self Selected

Answer 7

A sample of participants that relies solely on volunteers to make up the sample