One of the primary reasons that behavior geneticists study identical twins is because identical twins are
A) usually reared within the same family.
B) more genetically similar than other biological siblings.
C) generally treated similarly by the people around them.
D) more likely to engage in active niche-picking.
B
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__________ refers to the experimental method in which neither the experimenter nor the subject knows which experimental condition the subject is in
a. Placebo control b. Classical conditioning c. Double blind d. Group design
An article in a professional journal reports the zscore for the study's sample mean was –1.4 . The authors also reported their sample mean was 97 with a sample size of 49 and the population mean was 102 . However, they did not give the population standard deviation. What was their population standard deviation?
What will be an ideal response?
A placebo can be used:
a. in either a single-blind or double-blind study b. in either a total-blind or partial-blind study c. only in a single-blind study d. only in a total-blind study
You are in charge of designing a program to get people to cover their mouths when they cough. According to deviance regulation theory, you would be most successful by stressing the irresponsibility of people who fail to cover up when:
a. the norms are not to cover up b. the norms state that one should cover up c. the norms stress that it is deviant to put your hand over your mouth d. the norms stress the common good in all cases e. none of the above