SAMPLING TECHNIQUES Flashcards
probability sampling techniques
simple random
systematic
stratified
cluster
every individual has an equal
chance of being selected
simple random
selecting every nth individual from a list of population
systematic
dividing a population into subgroups
stratified random sampling
Dividing the population into clusters,
then randomly selecting entire clusters.
cluster sampling
Not every member of the population
has a chance of being selected.
non-probability sampling
Selecting individuals who are
easiest to reach.
convenience sampling
Selecting individuals based on
specific characteristics or criteria.
purposive sampling
Interviewing experts in a field for a
specialized study.
purposive sampling
Existing study subjects recruit future
subjects from among their acquaintances.
snowball sampling
Studying a rare disease by asking
patients to refer other patients they know.
snowball sampling
Ensuring certain characteristics are
represented in the sample to a specific extent.
Quota
Ensuring 50% of survey respondents
are female and 50% are male.
Quota