Which of the following is NOT a reason for the difficulties in determining which environmental factors contribute to intelligence?
A. There are too many possible environmental influences.
B. The influence of just one environmental factor is weak.
C. Environmental effects are often confounded with genetic factors.
D. Research has not determined a valid and reliable way to measure environmental influences.
Answer: D
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While having a conversation with a friend who is pregnant, she says to you that because she is "carrying high" she will have a girl. Based upon the textbook, which of the following statements are you thinking?
a. There is no scientific evidence to support her belief. b. There are countless research studies that support her belief. c. Statistically speaking, she is correct. d. She is wrong, a pregnant woman who is "carrying high" a more likely to be carrying a boy.
Much of the time, people's scores fall into a normal distribution. What does this mean?
a. Most people's scores are identical because people share so many of the same qualities. b. Men score on the higher end of the scale, and women score on the lower end. c. Most people score in the middle and fewer score at the extremes. d. Most people score at the two extremes of the scale.