Inflation is the term I think youre looking for
The dimensioning system in which <span>numerals are placed in line with the dimension line is called the <u> aligned </u> system. In the <u> unidirectional</u><u> </u>system all numerals read from the bottom.</span>
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.
