Which research result would provide evidence that aggression is a heritable trait?
a. Identical twins reared together are more similar in their levels of aggressiveness than identical twins rearedapart
b. Adopted children are more similar in levels of aggressiveness to their adoptive parents than to their biologicalparents.
c. Fraternal twins are more similar in levels of aggressiveness than non-twin siblings.
d. Identical twins are more similar in levels of aggressiveness than fraternal twins.
d
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A normal distribution has a mean of ยต = 80 with ? = 20 . What score separates the lowest 30% of the distribution from the rest of the scores?
a. X = 90.4 c. X=110 b. X = 69.6 d. X = 50
Many high-performing athletes likely consider getting ample sleep to be part of their training regimen due to its role in:
A. muscle recovery. B. visual acuity. C. immune response. D. memory recall.
Cindy, a grade school teacher, decides to use the labeling technique on one of her students who does not appear to be particularly fond of studying mathematics. Therefore, she says
A) "If you don't do your math homework, you'll be labeled a slow student." B) "Fine, don't study math. In fact, I don't want you to study math." C) "You seem to me like the kind of girlwho understands how important it is to do your math homework." D) "If you do your math homework, I'll get you those colored labels you wanted."
While Kevin is doing his homework, his mother insists he sit at his desk and use the desk lamp so he can see the books better. This is especially important when Kevin is working on his:
A. painting B. reading C. vocabulary list D. math problems