Any Factor That Leads to Differences Between the Groups at the Start

question 47

Multiple Choice

Any factor that leads to differences between the groups at the start of the study is termed a(n) ____ threat.

• A)selection
• B)intervention
• C)instrumentation
• D)regression

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Definitions:

Personal Income Taxes

Taxes levied on the income of individuals or families by the government.

Social Insurance Taxes

Taxes collected to fund public insurance programs, such as retirement pensions, unemployment benefits, and health insurance schemes.

State and Local Governments

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A requirement or order from the federal government that state or local governments, or private parties must follow, often with accompanying funds.