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
Lake 226 at the Experimental Lakes Area divided in half.
Pill organizers can help reduce confusion and ensure that medications are taken at the appropriate ...
Levels of Anxiety
Nursing Interventions for Different Levels of Anxiety
Colorimetric multiplex assay to determine anti-HLA antibodies in a patient's serum.
Daily pill containers like this one are often used by the elderly to remind them