The Experiment Discussed at the Beginning of the Chapter Identified

question 125

Multiple Choice

The experiment discussed at the beginning of the chapter identified both an experimental and control group in the examination of the effect of ignoring text messages on participants' levels of distraction during a given task. This experiment would be classified as a:

• A) one-group design.
• B) two-group design.
• C) three-group design.
• D) four-group design.

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Definitions:

Fraction

A mathematical expression representing a part of a whole, displayed as a numerator over a denominator.

Percentage

A numerical value representing a part of 100, signaled by a fraction or ratio.

Subtract

To take away a number or amount from another, leaving a difference.

Least Common Denominator

The smallest common multiple of the denominators of two or more fractions, used in addition and subtraction of fractions.