Sampling

Question 1

What are the five sampling techniques?

Answer 1

Opportunity
Volunteer
Random
Systematic
Stratified

Question 2

What is Opportunity sampling

Answer 2

Consists of taking the sample from the people who are available at the time of the study and fit the criteria you are looking for

Question 3

What is volunteer sampling?

Answer 3

Consists pf participants becoming part of a study because they volunteer when asked or in response to an advert or poster

Question 4

What is ramdom sampling?

Answer 4

Every member of the population has an equal chance of being chosen.
This involves identifying everyone in the target population and then selecting the number of participants you need in a way that gives everyone an equal chance of being picked
Eg Picking names out of a hat or random number generator

Question 5

What is systematic sampling?

Answer 5

When every nth member of a target population is selected
Eg every 5th person on a register

Question 6

What is stratified sampling?

Answer 6

Involves classifying the population into groups (strata) and then choosing a sample which consists of participants feom each group in the same proportions as they are in the population.
Selection from the strata is done using a random technique