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
Women who are monozygotic twins and have the same genes are more similar in their marital happiness
Anti-Inflammatory Drugs for Asthma and COPD
Miscellaneous Anti-Infectives
Placebo Effects and Viagra
Anti-GM protesters attacking a field of genetically-modified maize in southwestern France
An electrochemical cell is based on these two half-reactions