With regard to aggression and prosocial behavior, twin studies suggest that
a. aggression and prosocial behavior do not have a noticeable biological or genetic basis.
b. boys are more aggressive than girls, and girls are more prosocial than boys.
c. twins tend to be both more aggressive and more prosocial than non-twin siblings.
d. monozygotic twins tend to be more similar than dizygotic twins.
D
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The number of active germs on a surface can be reduced by _____ % if a child sneezes into a tissue instead of in the open or on an arm or shirt.
a. 50–60 b. 60–70 c. 70–80 d. 80–90
A researcher is interested in examining sets of twins (both identical and fraternal) to determine similarities and differences in their behavior. He believes this examination can tell us about contributions of genetics and environment. This researcher is engaged in which field of study?
A. neuroscience B. molecular genetics C. genetic counseling D. behavioral genetics
Which is not true about connecting with others in the workplace?
A. keep networking even once you've landed a great job B. show appreciation for what you have C. minimize being friends with co-workers after hours D. find a mentor, even if you think you have experience
A researcher placed male rodents in the presence and absence of a conspecific male. Cortisol (a stress hormone) levels were compared at both times. What type of t test is most appropriate for this study?
A. one-sample t test B. two-independent-sample t test C. related-samples t test D. There is not enough information to answer this question.