Sampling Flashcards
1
Q
random
A
all members of the population have an equal chance of selection
2
Q
systematic
A
selecting each nth person from a list
3
Q
stratified
A
sample reflects the proportion of people within different population strata
4
Q
opportunity
A
choosing whoever is available
5
Q
volunteer
A
ppts self-select
6
Q
random sampling evaluation
A
no researcher bias
time consuming
may end up with biased sample
7
Q
systematic evaluation
A
no researcher bias
usually fairly representative
may end up with biased sample
8
Q
stratified evaluation
A
no researcher bias
representative
cannot account for all sub-groups
9
Q
opportunity evaluation
A
convenient
researcher bias
unrepresentative
10
Q
volunteer evaluation
A
less time consuming
attracts a certain profile of person
