Question 1 Report
A researcher investigates whether putting a phone in another room affects memory for a list of 20 words. Forty volunteers are randomly allocated to either keep their phone beside them or place it outside the room.
(a) Name the independent variable in this experiment. [1]
(b) Name the dependent variable. [1]
(c) Explain one reason why random allocation is used. [2]
(d) Describe one variable, apart from phone location, that should be controlled. [2]
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