samo methods Flashcards
1
Q
what simp random
A
all items gievn an equal chance fo ebing chosen
2
Q
pro of simp random
A
ez
fair
3
Q
vons of simp random
A
hard t oragnsie big scale
4
Q
what strat
A
proprotions of pop = proptions f sanole
5
Q
pros of prop
A
bettter rep
6
Q
neg fo strat
A
hard to choose groups
7
Q
clster sap
A
using a clsuter rep whoel thing
8
Q
pro fo cluster
A
conveninet
9
Q
con fo clsuter
A
not fully rep
10
Q
what sytematic
A
selecting every nth individual otu of sample
11
Q
pro of systematic
A
easy organise
12
Q
con of systematic
A
can have cyclic patterns
data manipulatuon
13
Q
what opp sampling
A
choosing sampel as peopel aris e
14
Q
pro of opp
A
easy to get
15
Q
con of opp
A
bias