Teratogens are especially damaging in the __________ stage, because this stage is a critical period in prenatal development, an interval during which certain kinds of growth must occur if development is to proceed normally.
a. germinal
b. embryonic
c. concrete operational
d. fetal
Answer: b. embryonic
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List the psychological factors associated with our experience of pain. Describe how knowledge of these factors can be used to reduce the experience of pain.
What will be an ideal response?
If you go to a party and force yourself to smile even though you are feeling a little depressed, there is a good chance that you will
a. actually feel a little happier. b. continue to feel depressed. c. feel more depressed later. d. fool everyone at the party except yourself.
A correlation of +1.00 indicates:
A. a perfect, positive correlation. B. a strong, negative correlation. C. a weak, positive correlation. D. a strong, positive correlation.
Spatial contrast sensitivity in 80-year-olds:
a. Is much worse at low spatial frequencies than in 20-year-olds b. Is worse at medium and high spatial frequencies than in 50-year-olds c. Peaks at low spatial frequencies d. None of the above