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GCSE
A Level & IB
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More cards in this set
Card 6
Front
reflects the proportion of the population in each group.
Back
Card 7
Front
pick a starting point at random then choose the rest of the sample at regular intervals.
Back
Card 8
Front
every member of the population must have an equal chance of being selected.
Back
Card 9
Front
carried out by individuals.
Back
Card 10
Front
choosing a participant because of a particular characteristic.
Back
Card 11
Front
people have to be of a particular type.
Back
Card 12
Front
researcher selects one person and puts them in touch with other people.
Back
See full card set