Target population - The group o
interested in e.g. babies in Weste
Bristo
The researcher cannot study al
population so they identify a sma
this sample will be representativ
that generalisations about the
made
Type of
Description
Sampling
Random Each item in a population has an equal chance of being
selected.
Lottery method - draw numbers or names 'out of a
hat'. They might put the first 10 names drawn in group
A and the second 10 in group B.