Doctors chase and sanborn are conducting an experiment on the effects of caffeine on memory. participants are randomly assigned to a caffeine or a no-caffeine group; their recall of items on a word list is later assessed. which pair below correctly names and identifies the variables in this experiment?

How are decisions by the supreme court under chief justice john marshall strengthened federal power

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation.documentation is required unless waived by an irb.to protect minors documentation is always required.federal regulations do not require the documentation of minors’ assent.

Americans often refer to a country that is not the united states as a