A pattern of change occurring over several generations is called a __________.
A. primary characteristic
B. secular trend
C. secondary characteristic
D. postgenerational cycle
Answer: B
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Which of the following makes it difficult to interpret racial differences in test performance?
a. Researchers fear they will be accused of being biased. b. Increasing numbers of individuals will not report their race when asked. c. Many individuals are of mixed race and do not know it. d. Racial differences have been eliminated by better test construction.
Which of the following DOES NOT play a role in the physiological causes of hunger?
a) blood glucose levels b) cholecystokinin levels c) hypothalamic activity d) cerebellar function
The function of the neuron's dendrite is to ______
a. conduct electrical impulses toward other neurons b. regulate the neuron's life processes c. receive messages from neighboring neurons d. insulate against leakage of electrical impulses
Which of the following is a marker of Stage 2 sleep?
A. Vertex waves B. K-complexes C. Transient activations D. Small amplitude delta frequency waves