Exhibit 1-2 In a Sample of 3,200 Registered Voters, 1,440, or 45

question 61

Multiple Choice

Exhibit 1-2
In a sample of 3,200 registered voters, 1,440, or 45%, approve of the way the President is doing his job.
-Refer to Exhibit 1-2. A political pollster states, "Forty five percent of all voters approve of the President." This statement is an example of

• A)a sample
• B)descriptive statistics
• C)statistical inference
• D)a population

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Definitions:

Habituated

The process by which an individual becomes accustomed to a stimulus or environment over time, leading to a decrease in responsiveness.

Yerkes-Dodson Law

A psychological principle that asserts there is an optimal level of arousal for the best performance of a task: too little arousal can lead to underperformance, while too much can lead to mistakes.

Simple Tasks

Activities or tasks that require a minimal amount of cognitive or physical effort to complete.

Industrial/Organizational Psychologists

Professionals who apply psychological principles and research methods to improve the workplace environment, productivity, and employee-related issues.