(E) an obsession
Dr. Obetz is conducting an experimental study on the effectiveness of antianxiety medication. Which of the
following will most likely be her independent
variable?
(A)
(B)
(C)
(D)
(E)
Age of first symptoms, because she will randomly divide her participants into groups, assigning them based
on the age that symptoms first appeared.
Frequency of hallucinations, because she will measure the frequency of hallucinations that her participants
have with each type of medication.
Type of medication, because she will randomly divide participants into groups and give the groups different
types of medication.
Self-reported depression, because she will measure the amount of self-reported depression that is present in
her participants with each type of medication.
Severity of anxiety, because she will measure the amount of self-reported anxiety that is present in her
participants with each type of medication.