disadvantages and advantages of differnt samples Flashcards
(6 cards)
advantages of systematic sample?
.sutable for large population and sample
.simple and quick to use
disadvantages of systematic sampling?
.sampling frame is needed
.can introduce bias if sampling frame is not random
advantages of quota sampling?
.allows small samples to still be representative of the population.
.no sampling frame is required
.quick, easy and inexpensive
.allows for differnt comparisons between differnt groups within the population
disadvantages of quota sampling?
.due to not being random the sampling may be bias
.population must be divided into groups which can be costly or inaccurate
.non reponses are not recorded
advantages of opportunity sampling?
.inexpensive
.easy to carry out
disadvantages of opportunity sampling?
.unlikely to provide a representative sample
.highly dependant on the individual researcher