In a Study of Helmets Using Crash Dummies, Use of Helmets

question 15

True/False

In a study of helmets using crash dummies, use of helmets reduced concussion risk by 50%.

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Definitions:

Bystander Effect

The social psychological phenomenon where people are less likely to help a victim when other people are present.

Social Trap

A situation in which a group of people act to obtain short-term individual gains, which in the long run leads to a loss for the group as a whole.

Greenhouse Gases

Gases in Earth's atmosphere, such as carbon dioxide and methane, that trap heat and contribute to global warming.

Fuel-Inefficient Car

Refers to vehicles that consume a high amount of fuel relative to the distance they travel, often due to older technology or design focused on power over efficiency.