A researcher gives half of her participants a new anti-anxiety pill and the other half a placebo pill. She does not tell participants whether they have received an active treatment pill or a sugar pill. This is an example of what type of study?
a. a prospective study
b. a single-blind study
c. a double-blind study
d. a observational study
Question 2
A subject in your study correctly assumes that you are interested in whether people behave in a prejudicial way towards people of a homosexual orientation. She then goes out of her way to act friendly and nice. This represents an example of ______________
a. the placebo effect
b. participant bias
c. error
d. experimenter bias
(a) The relative age ranges of different dating techniques depend upon the half-life of the system u
D-Cycloserine and Anxiety Disorders
Participants in the regatta at Genoa, Italy, are dwarfed by Paul Allen’s yacht.
Medications and Medical Conditions Associated with Anxiety
Management of Anxiety
Is this glass half empty or half full?