In an experiment, the suspected causal variables that are manipulated by the
experimenter are known as ______ variables.
a. independent c. dependent
b. codependent d. reciprocal
Question 2
During a panic attack, the adrenal glands ______.
a. shut down c. release only norepinephrine
b. release only epinephrine d. release both epinephrine and norepinephrine