Approximately four out of five women report having the baby blues. Researchers believe the baby blues are so common because of
a. hormonal changes that follow delivery.
b. a lack of sleep following the birth of a baby.
c. an increase in hormone production due to breast-feeding.
d. the new mother's insecurity regarding her parenting skills.
a
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A lizard moves into the sunlight when its body temperature drops too low, and moves back into the shade when its body temperature gets too warm. This is best explained in terms of:
a. incentive motivation b. instinct c. set point d. homeostasis
Compared with healthy controls, people with schizophrenia show evidence of having a. abnormally low amounts of dopamine
b. abnormally high amounts of dopamine. c. increased numbers of glutamate receptors in their brains. d. reduced numbers of glutamate receptors in their brains.
Some courts deny psychological testimony in rape cases because
A. psychologists cannot determine whether a rape actually occurred. B. the testimony would improperly bolster the testimony against the defendant. C. the testimony is not beyond the common knowledge of the jury. D. All of the above
The part of the hindbrain sometimes called the "little brain" is the ______
a. medulla b. cerebrum c. cerebellum d. limbic system