A Standardized Test _________________________________________

question 26

Multiple Choice

A standardized test _________________________________________.

• A) is usually commercially produced and requires a common set of administration and scoring procedures
• B) compares an individual's test performance to the test performance of others
• C) relies only on multiple choice questions
• D) is designed and administered by a researcher for a specific research study

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Definitions:

Reactants

Materials that exist at the beginning of a chemical reaction and are used up to produce end products.

Equilibrium Expression

A mathematical expression that relates the concentrations of the reactants and products at equilibrium in a reversible chemical reaction.

Reaction

A process in which one or more substances are changed into one or more different substances through the reorganization of atomic bonds.

Equilibrium Constant

A numerical value that represents the ratio of concentration of products to reactants at equilibrium in a reversible chemical reaction, under standard conditions.