Because she has been a member of the newspaper club for 2 years and attends writing workshops in her free time she should consider exploring a career in Journalism.
Answer:
Explanation there is no map that i can look at to hlp you with this problem im sorry.
The variable is the group that was given caffine, because thats what the doctors manipulated. They possibly altered the natural memory of the participants by giving them caffine. A more specific variable could be how much caffine each participant is given and what time are they given it.
