Dwayne Wants to Design a Good Experiment and Be Sure

question 136

Multiple Choice

Dwayne wants to design a good experiment and be sure it has internal validity.In other words, Dwayne wants to avoid:

• A)uncontrolled variables that changes systematically with the independent variable
• B)uncontrolled variables that changes systematically with the dependent variable
• C)controlled variables that changes systematically with the independent variable
• D)controlled variables that changes systematically with the dependent variable

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Definitions:

Tax

A mandatory monetary fee or different kind of tax levied on individuals by a state entity with the purpose of raising funds for government operations and public projects.

Aggregate Demand Function

An economic formula that represents the total demand for goods and services in an economy at various price levels.

Swimming Pools

Man-made structures designed to hold water for swimming, diving, or recreational bathing.

Income Distribution

The way in which total income is shared among different groups or individuals within an economy.