Why is a genetic explanation for altruism problematic?
A. Only non-human animals exhibit altruistic behaviors.
B. Altruistic behaviors rarely benefit the individual performing them.
C. Altruism is more common among the young than among adults.
D. No behavior has been linked to any genes.
Answer: B
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A confidence interval computed for the mean of a single sample
a. defines clearly where the population mean falls. b. is not as good as a test of some hypothesis. c. does not help us decide if there is a significant effect. d. is associated with a probability statement about the location of a population mean.
The belief that if an individual had a lot of blood, they would have a cheerful or sanguine personality stems from:
a. Egyptian physicians such as Imhotep, the chief physician to Pharaoh Zozer b. Vesalius's study of human anatomy c. Hippocrates' humoral theory d. William Harvey, an English physician
Based on the intelligence quotient formula developed by Lewis Terman, an individual with a higher mental age than chronological age would have:
a. an IQ greater than 100 b. an IQ less than 100 c. an IQ equal to 100 d. difficulty in most school subjects
Most American marriages that end in divorce do so in the first 3 years of marriage.
Answer the following statement true (T) or false (F)