Sam conducted a naturalistic observation as a project for a psychology class. He observed the interactions of parents and children at a restaurant. Many of the people he observed seemed to notice him
When Sam described his work to his teacher, she suggested he find out more about the _________________ effect.
a) restaurant
b) parent
c) butterfly
d) observer
ANS: D, In noticing Sam, the parents may have realized they were being observed, which might have affected their behavior due to the observer effect.
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A person with Down's syndrome is likely to have which of the following?
a. an IQ in the normal range b. an IQ that is above the normal range c. an IQ that is below the normal range d. It is impossible to say; IQ scores among those with Down's syndrome can be normal, higher than average, and lower than average
Breast milk
is deficient in iron and vitamin C. is more likely than formula to produce allergies. provides antibodies to fight diseases. upsets the baby's digestive system more often than formulas.
Caffeine's stimulant effects occur because it is an _________ neurochemical adenosine.
A. agonist for the excitatory B. antagonist for the excitatory C. agonist for the inhibitory D. antagonist for the inhibitory
In cases of Rasmussen's syndrome, the complete removal of the cortex of one hemisphere during childhood
A. saves the child's life at the expense of intelligence and mobility. B. has been discontinued due to its poor record of reducing seizures. C. demonstrates that we only need about 10 percent of our brain for normal functioning. D. significantly reduces seizures while producing relatively mild side effects.