A couple good questions would be: (assuming it's an experiment) Can it be redone with the same result and can the information being used be cited. Hope it helps!
Answer:
Independent Variable : Memory Drug
Dependent Variable : Story Quiz Score
Explanation:
In studying cause effect relationship between two relationships :
The causal variable leading to change in effected Variable is the Independent Variable. The effected variable being changed due to causing variable is the Dependent Variable.
So, studying : 'Memory Drug' impact - on 'Story Retention Quiz Score' implies that Memory Drug is the Independent Variable effecting Story Quiz Score & Story Quiz is the Dependent Variable being affected by Memory Drug.
