Linda sees a sign on a farmer's fence that reads: HELP ME PICK STRAWBERRIES FOR EVERY 5 QUARTS YOU PICK, KEEP ONE FOR YOURSELF. If Linda decides to pick strawberries for this farmer, she would be under a _______ schedule of reinforcement
a. fixed interval
b. fixed ratio
c. variable interval
d. variable ratio
b
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One possible theoretical explanation for the negative correlation between education and the rate of Alzheimer's disease in nuns is that
a. education increases "brain work," which in turn increases the density of synaptic connections in the cortex. b. going to college is also correlated with a family's social economic status, which may be the real cause. c. nuns who are educated rise in the church hierarchy, and therefore, lead less stressful lives. d. the nuns are aware of how the brain functions.
What is the formula to calculate an average flame height?
Felipe has a psychological disorder, and his doctor has prescribed chlorpromazine to help reduce the severity of Felipe's symptoms. In this case, Felipe most likely has:
a. negative symptoms of schizophrenia b. positive symptoms of schizophrenia c. bipolar disorder d. an anxiety disorder
Neurotrophins bind to __________________.
a. receptor tyrosine kinases b. ionotropic receptors c. noradrenergic receptors d. BDNF receptors