Paper 1

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• 2. groups of participants representing the wider population (6)
• 3. a sample not representative of the whole population (6, 6)
• 4. variables in a measurable way (14)
• 5. whether results can generalise to real life situations (10, 8)
• 6. there will be no effect from the IV on the DV (4, 10)
• 7. prediction of what will happen (3, 10)
• 8. a large population that consists of all the members of a group of people from which the sample has been taken from. (6, 10)
• 10. a variable other then the IV that can effect the DV and should be controlled (10, 9)