In a test using ANOVA, the average ages of three different samples are 37.56, 37.57, 37.58 . This pattern would be consistent with the assumption that the
a. null hypothesis is false
b. null hypothesis is true
c. research hypothesis is false
d. sample standard deviations approach zero
b
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Alcoholism is defined as
a. an addiction to alcohol. b. a dependency on alcohol. c. a habitual relationship with alcohol. d. any dysfunctional association with alcohol.
Today, children in the United States are considered economic assets
Indicate whether the statement is true or false
A researcher has found a strong relationship between level of education and income and concludes that "higher levels of education cause higher income." What error has been made?
a. None, the argument is sound. b. Income is only nominal in level of measurement and education is ordinal so they cannot be causally related. c. Since these variables are continuous and interval ratio, they cannot have a causal relationship. d. By itself, association does not prove causation.
Which of the following are reasons why racial categorization is problematic for multiracial people in the United States?
a. a history that dictates single-race identities b. the social pressure to choose racial identities c. government forms that include only broad racial categories d. historical precedents that acknowledge different biracial identity