The Broken-Line Graph Shows the Percent of Adults in the United

question 19

Multiple Choice

The broken-line graph shows the percent of adults in the United States over 18 years old who took the influenza vaccine during recent years. Use the graph. What percent of U.S. adults aged 18 and older took the influenza vaccine in 2003?

• A) 29 \(\%\)
• B) 29.5 \(\%\)
• C) 28.5 \(\%\)
• D) 31 \(\%\)
• E) 27 \(\%\)

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Definitions:

Collective

Refers to actions or situations that involve or are done by a group of people working together.

Audience Effect

The influence that the presence of others has on an individual's performance or behavior.

Drive Theory

A psychological framework suggesting that motivation arises from biological needs that drive behavior to satisfy them.

Social Facilitation

The tendency for people to perform differently when in the presence of others than when alone, typically showing improved performance on simple or well-rehearsed tasks.