Chapter 04 True/False Quiz

. In a study of one hundred U.S. cities examining the crime rate and the number of people on welfare, the unit of analysis is the individual.

. An ecological fallacy may occur when researchers assume that what holds true of a group also holds true of individuals within the group.

. A dependent variable also may be called a predictor variable.

. One aim of research design is to control as many extraneous variables as is feasible.

. A negative correlation means that there is no association between two variables.

. Statistical significance indicates the strength of the association between variables.

. Direction of influence may be determined by which variable is fixed, permanent, or less alterable than the other.

. A relationship is spurious when an association between the variables is the result of a common cause.

. Broh's research questions about the effects of extracurricular activities were "interesting" because they extended research in new directions.

. The proposition "education is related to prejudice" specifies the nature and form of a hypothesized relationship.

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