Multiple Groups Researchers Often Select Extreme Values of an Independent

question 20

Multiple Choice

Multiple Groups Researchers often select extreme values of an independent variable because

• A)extreme values increase the possibility of detecting a change across conditions.
• B)extreme values produce results with greater external validity.
• C)extreme values reduce the risk of confounding.
• D)intermediate values provide minimal information about how the independent variable affects behavior.

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Definitions:

Equilibrium

The state in which the concentrations of reactants and products in a reversible chemical reaction are unchanged over time, indicating a balance in the rate of forward and reverse reactions.

Synthetic Route

The planned sequence of chemical reactions used to convert starting materials into desired products in the laboratory or industry.

Reagents

Chemical substances that are employed to bring about a chemical reaction in a provided set of reactants.

Reaction

A process in which substances (reactants) are transformed into different substances (products) through chemical change.