In calculating the regression coefficients we square the errors of prediction because
a. statisticians square everything.
b. the sum of the errors would always be 0 for a great many lines we could draw.
c. squaring makes the errors more striking.
d. little errors are more important than big errors.
B
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In criticizing the structuralists' reliance on the method of introspection, William James argued that two people could view the same stimulus quite differently. James's argument illustrates which of the textbook's unifying themes?
a. Psychology evolves in a sociohistorical context. b. Psychology is empirical. c. Heredity and environment jointly influence behavior. d. Our experience of the world is highly subjective.
According to the discussion of problem-solving expertise in Chapter 11,
a. expertise is typically defined in terms of problem-solving speed, rather than problem-solving accuracy. b. in some fields, expertise is not strongly correlated with the number of years of experience. c. true experts can acquire their expertise without extensive practice because they truly seem to be "born" with their skills. d. experts tend to have an especially well-developed working memory for general information, not just in their area of expertise.
In order to compare the IQ scores of children and adults in their respective age groups, researchers compute the _____ IQ for children and the _____ for adults.
A) ratio; Stanford–Binet B) ratio; deviation IQ C) deviation; ratio IQ D) deviation; WAIS-IV
Todd spends hours checking and rechecking the doors and windows to his house to make sure
they are completely locked and secured before he leaves for work in the morning. This is the only way he can prevent himself from being overwhelmed by anxiety and fears he left something unlocked as he drives to the office. Todd is suffering from ______ disorder. a. phobic c. obsessive-compulsive b. panic d. generalized anxiety