Author Question: Nicole is studying the effects of caffeine on cognitive tasks. In her experiment, the participants ... (Read 14 times)

mspears3 · **on:** Jun 22, 2018

Nicole is studying the effects of caffeine on cognitive tasks. In her experiment, the participants consume caffeine and then complete a pencil and paper task that measures their concentration and short term memory.

Which is the dependent variable for the study?

a) caffeine
b) the time of day
c) the amount of caffeine
d) paper and pencil task
e) the participants

Question 2

What is a particle accelerator that can generate tracers?

a) cyclotron
b) electron
c) proton
d) neutron
e) alphatron