________ are used if researchers want to estimate the range of scores in a distribution that is
likely to include a particular characteristic of a population, like the mean.
A) Mean squares B) SD scores
C) Interval estimates D) z scores
C
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Which of the following is NOT one of the functions of emotions described in the book?
a. They result in greater choice and balance. b. They prepare people for action. c. They shape future behavior by reminding us of the consequences of past behavior. d. They help us interact more effectively with others.
Which of the following statements is supported by research on family size?
A) Parental quality declines as new children are born. B) New births lead to an increase in maternal affection toward older siblings. C) Limiting family size increases the chances of having children with high intelligence test scores. D) As new children are born, parents tend to reallocate their energies.