The variable that we expect to change as a result of our manipulation is called the:
a. independent variable
b. dependent variable
c. intervening variable
d. control variable
b
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The key idea behind the trichromatic theory of color vision is that:
a. the retina contains three kinds of color receptors b. increased activation of one type of color cell will decrease activation in another c. ganglion cells encode most aspects of color d. each hemisphere of the brain processes color differently
Working a job that involves learning a new skill can lead to psychological well-being and self-esteem
A. True B. False
A key effect of luteinizing hormone is to __________.
A. promote the growth of the ovarian follicles B. assist implantation of the fertilized ovum C. facilitate beard growth D. induce ovulation
Your friend tells you that her baby has some kind of problem involving an extra chromosome. The condition is most likely to be which of the following?
a. sickle cell anemia b. William's syndrome c. Tay-sachs d. Down syndrome