Sampling Methods

Question 1

Opportunity Sampling

Answer 1

Also called convenience sampling where participants are selected based on naturally occurring groups or participants who are easily available

Question 2

Random Sampling

Answer 2

Selecting a sample of participants from a larger potential group of eligible individuals, such that each person has the same fixed probability of being included in the sample

Question 3

Self-Selected Sampling

Answer 3

Also called volunteer sampling . Participants choose to become part of a study because they volunteer by responding to an advert or a request to take part in a study

Question 4

Stratified Random Sampling

Answer 4

Method of probability sampling in which the population is divided into different subgroups or “strata” and then a random sample is taken from each

Question 5

Snowball Sampling

Answer 5

Technique where research participants recruit other participants for a study

Question 6

Purposive Sampling

Answer 6

Looking for people with a very specific set of traits. This allows the research to draw conclusions with regard to certain variables which may end up being confounding variables in a study which a purposive sample wasn’t used.