A reporter has been assigned to write a story about family size and intelligence. After investigating the available research, she reports that
a) the effects of birth order and family size on intelligence are based mostly on heredity.
b) lower-IQ parents tend to have larger families, and these families differ from the rest of the population in variables that are correlated with intelligence.
c) higher-IQ parents tend to space their children out more, thus increasing the power of birth order to affect intelligence.
d) having more children leads to more stimulation, thus increasing intelligence as family size increases.
B
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Changes in the behavior of research subjects that is caused by the unintended influence of the subjects' own expectations is called the
a. research participant bias. b. observer bias. c. confirmation bias. d. anthropomorphic error
Name and describe two of the reasons why people join groups, according to the textbook
What will be an ideal response?