Hormones are
a. the same in male and female embryos until after 28 weeks.
b. not a factor in prenatal development.
c. chemical substances released into the bloodstream by the endocrine glands.
d. all of these.
C
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Kylee used to bring drawings home from her kindergarten class every day. Her parents would put the pictures on the refrigerator and tell Kylee how nice the pictures were. Lately, her parents haven't been putting her artwork on the refrigerator, and now Kylee has stopped bringing drawings home with her. This example illustrates the operant conditioning process of
a. punishment. b. avoidance. c. resistance. d. extinction.
The example of a Massachusetts school requiring students to wear backpacks that contain shock devices illustrates the use of ______.
A. conditioned stimulus B. punishment C. secondary reinforcer D. discrimination
Which group of people cannot distinguish between the sounds of "la" and "ra"?
A) Japanese adults only B) Japanese infants and Japanese adults C) Japanese infants only D) Japanese infants, American infants, and Japanese adults
PGO spikes travel which of the following pathways?
A. from the pons to the hypothalamus to the occipital cortex B. from the pons to the thalamus to the occipital cortex C. from the pons to the medulla to the spinal cord D. from the locus coeruleus to the hypothalamus to the cerebral cortex