For the numbers 100, 90, 80, 60, the range is ________

a. 50
b. 40
c. 80
d. 60


Answer: b

Psychology

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Researchers agree that development ends in adulthood.

Answer the following statement true (T) or false (F)

Psychology

Two factors that help regulate our natural sleep/wake cycles are a. melanin and auditory stimulation. b. melatonin and auditory stimulation. c. melatonin and light

d. light and blood sugar levels.

Psychology

Glucocorticoids are produced in the

hypothalamus. pituitary gland. cortex of the brain. outer layers of the adrenal glands.

Psychology

The correlation coefficient tells us

a. the general shape of the scatterplot. b. which variable causes the other. c. how well we can predict the level of one variable from the level of the other. d. more than one of the above

Psychology