Caroline is participating in an experimental study in which she is taking an herbal supplement and the researcher measures her perceived energy levels for several weeks. Although she doesn't know it, the supplement she is given in the study does not contain the herb of interest. However, Caroline feels as though she has more energy than before, and she attributes it to the herbal supplement. This effect is called a(n) ____.
a. maturation effect
b. false positive
c. counterbalancing effect
d. placebo effect
Question 2
Demand characteristics can be reduced in a number of ways. Which strategy below is NOT one of these?
a. Use an experimental disguise,
b. Administer multiple experimental treatment levels to each subject.
c. Use a blind experimental administrator.
d. Isolate experimental subjects.
The patient interview often requires note taking.
Jacques-Louis David, Study for the Death of Socrates.
Dual Systems Model of Risk-Taking
Popular Herbal Supplements
Results from Kliegl's study show that older adults can learn complex information-processing
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...