Exhibit 12-1: Indicate Whether the Following Hypotheses Are Necessarily Ex

question 69

Multiple Choice

Exhibit 12-1: Indicate whether the following hypotheses are necessarily ex post facto research or possible to perform with experimental research.
-Refer to Exhibit 12-1.Teaching hyperactive students how to monitor their diets increases the probability that these students will eat healthier meals.

• A) necessarily ex post facto research.
• B) possible to do with experimental research.

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Definitions:

Lower Three Quintiles

Refers to the bottom 60% of the population typically classified by income distribution, focusing on those with lower income levels.

Income

The financial return received by an individual or entity in exchange for providing goods, services, or through investing capital, including wages, profits, and rents.

Upper Quintiles

Refers to the top 20% of the population in terms of income distribution, often used in studies of social, economic, and wealth stratification.

Income

The income earned, particularly in consistent intervals, from employment or investment returns.