Which of the Following Statements Is True

question 73

Multiple Choice

Which of the following statements is true?

• A) Income distribution in the United States has gotten progressively more unequal since 1929.
• B) The Lorenz curve indicates the degree of discrimination in an economy.
• C) The Lorenz curve indicates the degree of income inequality in an economy.
• D) The richest 5% of Americans earn approximately half of the nation's income.
• E) All of these.

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Definitions:

Quasi-Experimental Designs

Study frameworks that aim to identify causal relationships but do not incorporate random allocation to intervention and comparison groups.

Nonrandomly Formed Groups

Groups in a study that are created based on criteria other than random assignment, which can introduce biases or preexisting differences between groups.

One-Group Posttest-Only Design

An experimental design where a single group is exposed to an intervention and then tested, lacking a control group for comparison.

Uninterpretable Nonequivalent Groups Designs

Research designs that lack clear control groups or equivalency between groups, making findings difficult to interpret accurately.