In Alison's Study, the Pearson's R of Participants' Caffeine Consumption

Multiple Choice

In Alison's study, the Pearson's r of participants' caffeine consumption (milligrams) and their reaction time (milliseconds) on a computer task is -0.22. This means that…

A) participants exhibited decreased reaction time with a higher consumption of caffeine.
B) participants exhibited increased reaction time with a higher consumption of caffeine.
C) participants had a mean reaction time of 0.22ms in the condition with low caffeine consumption.
D) participants had a mean reaction time of 0.22ms in the condition with high caffeine consumption