Historically, what has typically been the biggest flaw in studies examining the effect of nicotine on human performance?
a. Studies often require participants to smoke cigarettes that are not their usual brand.
b. Studies often use denicotinized cigarettes as a control condition.
c. Studies often instruct participants with regard to the number, duration, and timing of cigarette puffs so that the smoking behavior is unnatural.
d. Studies often use participants who are nonsmokers.
e. Studies often use participants who are smokers and have been deprived of nicotine for a number of hours.
Answer: E
You might also like to view...
Which of the following is an apparatus in which a computer constructs an image of the brain by combining thousands of individual X-rays taken at slightly different angles?
A. computerized axial tomography (CAT) scan B. electroencephalogram (EEG) C. functional magnetic resonance imaging (fMRI) scan D. psychophysiological array test (PAT)
Increasing the ______ of references seems to increase validity
a. length b. scoring complexity c. structure d. psychometric depth
REM rebound is caused by:
a. delta wave synchrony c. narcolepsy b. REM deprivation d. sleep deprivation
By what age will a child demonstrate tertiary circular reactions?
a. by 2-3 months c. by 8-9 months b. by 4-5 months d. not until 12-18 months