According to Dunbar (2008), the best size for a community of humans is
a. 4.7.
b. 12
c. 80-100.
d. 140-150.
e. 200-300.
d. 140-150.
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Which of the following is not required of researchers in an informed consent procedure?
A. description of the nature of the research B. reasons for why deception is used in the research C. information that might influence participants' willingness to participate D. all of these are required
The exchange of chromosome segments during meiosis results in __________
A) severe mutations B) incredible variability among siblings C) higher rates of fraternal twins D) higher numbers of female zygotes than male zygotes
The process of mixing lights of different wavelengths is called additive color mixing
a. True b. False
Objects do not cease to exist when they are out of 3-year-old Tommy's reach or view. This concept is referred to as
A. a scheme. B. primitive causality. C. a means-end relationship. D. object permanence.