An uncontrolled extraneous variable is _____
a. a confound
b. internally valid
c. externally valid
d. a subject variable
a
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Some researchers have suggested that __________ may be a contributor to sudden infant death syndrome (SIDS).
A. narcolepsy B. sleep apnea C. REM behavior disorder (RBD) D. sleep deprivation
Frequently, when alcohol is initially ingested, individuals report feeling "wild and excited." These feelings result because ____
a. the absorption of alcohol is quite slow, allowing for initial kick b. alcohol is a stimulant c. alcohol inhibits the functioning of the parasympathetic nervous system d. alcohol depresses the inhibitory centers in the brain
Erikson's stage that occurs between 3 and 6 years of age is called
initiative versus guilt.
A neuron may produce another action potential in response to larger than normal depolarization during the
A. absolute refractory period. B. relative refractory period. C. depolarization phase of the action potential. D. hyperpolarization phase of an action potential.