Which of the Following Propositions Has the Greatest Theoretical Scope

question 33

Multiple Choice

Which of the following propositions has the greatest theoretical scope?

• A) During the past century, people in human societies moved toward using mass media on a more frequent basis.
• B) Almost all of the people who rob other people in major Canadian cities are males.
• C) Americans who marry when they are older than 30 years of age are less likely to divorce.
• D) College students who study more hours get higher grades on examinations.

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Definitions:

Numerator Degrees

Likely a misphrase, possibly referring to the degrees of freedom in the numerator of a statistical test.

Independent Variables

Variables in a statistical model that are manipulated or chosen by the researcher to determine their effect on the dependent variable.

Unit Price

The cost per single unit of measure, allowing for comparison of costs among different sizes or quantities of the item.

SSR

Stands for sum of squares due to regression, indicating the variation explained by the independent variables in a regression model.