IGCSE Paper 4 Key Words Flashcards
1
Q
Define the term ‘primary data’
A
First hand data gathered by the researcher themselves
2
Q
Define the term ‘secondary data’
A
Any dataset collected by any person other than the one using it
3
Q
Define the term ‘sampling’
A
A subset of individuals from a larger population aiming to represent the whole population
4
Q
Define the term ‘stratified sampling’
A
Dividing sampling into groups, e.g. three sites from each section of coastline, or five people from each age range.
5
Q
Define the term ‘systematic sampling’
A
Collecting data in an ordered or regular way, e.g. every 5 metres or every fifth person.
6
Q
Define the term ‘random sampling’
A
The sampling technique in which each sample has an equal probability of being chosen.
