Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____
a. have three distinct facial features by the 21st week of pregnancy
b. show three distinct temperament patterns by the 21st week of infancy
c. have a third chromosome on the 21st pair
d. have 21 genes on the 3rd pair of chromosomes
Answer: C
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Summarize the research on the biological factors involved in eating and weight regulation
Answer:
The mean and mode must be equal in symmetrical distributions.
Answer the following statement true (T) or false (F)
_____ is a fear of unknown people common in infants at about 6 months and increasing in intensity until about 12 months, and then declining in the second year
a) Stranger anxiety b) The difficult temperament c) An insecure attachment d) Separation anxiety
An experimenter attempting to classically condition a new behavior in a dog unintentionally presents the CS without the US several times during the conditioning process. She finds that this intermittent pairing ______
a. increases the rate of learning but decreases the final level of learning achieved b. increases the rate of learning and the final level of learning achieved c. has no effect on the rate of learning or the final level of learning achieved d. reduces the rate of learning and the final level of learning achieved