What describes the profound and enduring effect on later development that teratogens can have during the embryonic period?
a. critical period
b. sensitive period
c. embryonic period
d. fetal period
A. The embryonic period lasts from the third to the eighth week after conception.
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Which approach to personality may be useful in trying to account for the complexities of personality disorders?
a. Allport's trait theory b. Eysenck's sixteen factor theory c. Cattell's three factor model d. McCrae and Costa's big five theory
Because boys with ADHD __________ than girls do, they are more likely to receive treatment.
a. articulate their needs better b. have more severe symptoms c. develop symptoms earlier d. have more outspoken advocates
Which is correct?
a. Participants were 18 Cuban-Americans. b. Participants were 15 White and 15 Black elementary school students. c. Participants were 15 white and 15 black elementary school students. d. none of the above
According to a study reported in the text, about what percentage of teenagers show evidence of hearing loss?
a. less than 10 percent b. about 20 percent c. about 33 percent d. about 50 percent e. more than 75 percent