Sampling

Question 1

Opportunity/convenience

Answer 1

Gathering participants who happen to be available at the time of the study.

Question 2

Purposive

Answer 2

A sample that has been gathered because they have a particular set of characteristics that make them suitable for study.

Question 2

Self-selected/volunteer

Answer 2

Participants are the ones that approach the researchers as volunteers to participate in the study, usually in response to some form of marketing or advertising from the researchers.

Question 3

Random

Answer 3

A random sample is when every member of the target population has an equal chance of being asked to participate in the study.

Question 4

Snowball

Answer 4

A sample that gradually increases in size after a small number of seeds originally selected ask more people to participate. Purposive sampling may include an element of snowball sampling.

Question 5

characteristics of convenience sampling

Answer 5

time effective, accessible, easily sources, may not represent population- results in homogenous sample

Question 6

characteristics of random sampling

Answer 6

everyone has an equal chance at being selected

represents the population

Question 7

volunteer sampling characteristics

Answer 7

willingly offer to participate

advertise in areas where participants are likely to be

dependent on who volunteers-limitted control

Question 8

purposive sampling characteristics

Answer 8

target population limited

prone to researcher bias

participants fit characteristics of target population

Question 9

snowball charactertistics

Answer 9

little control over sampling method
prone to sampling bias
homogenous in nature