Twin studies help estimate how much of a trait or behavior is attributable to ______.
A. genes
B. hormones
C. siblings
D. a controlled environment
Answer: A
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In the eye, transduction of the electromagnetic energy into neural impulses occurs:
a. as the light passes through the cornea b. when the light strikes the rods and cones of the retina c. when the light passes through the lens d. in the vitreous humor in the center of the eye
In one research study, Paul Rozin and his colleagues offered thirsty adults a glass of juice, which contained a dead, but sterilized cockroach. They found the participants:
a. drank the juice after they were assured that it was free from contamination b. drank the juice, but only after the cockroach had been removed c. drank the juice, but only after it had been strained and poured into a clean glass d. refused to drink the juice, even though the cockroach had been sterilized
A classroom experiment using eye color to produce prejudice demonstrated that
a. the development of prejudice is slow but noticeable. b. reversing prejudice, like creating it, is a slow process. c. status inequalities encourage prejudice. d. young children are immune to prejudice.
Spreading insults and rumors by means of e-mails, text messages, or Web postings is called
spamming. cyberbullying. electronic harassment. hacking.