Researchers Are Studying the Effects of Nicotine on Driving

question 175

Multiple Choice

Researchers are studying the effects of nicotine on driving.The participants are divided into two groups.One group is provided with nicotine cigarettes and the other with fake cigarettes that taste and smell like real cigarettes but do not contain nicotine.The fake cigarettes are an example of a(n)

• A)dependent variable.
• B)experimental group.
• C)placebo.
• D)random assignment.

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Definitions:

Ovary Wall

The outer layer of an ovary in plants or animals, often involved in protecting and nurturing developing reproductive cells.

Maidenhair Tree

Another name for Ginkgo biloba, a unique species of tree known for its fan-shaped leaves and resilience, often considered a living fossil.

Taproot

A type of root system characterized by a single, large primary root that grows vertically downward, giving rise to smaller lateral roots.

Genus Gnetum

A genus of tropical evergreen trees and shrubs that belong to the gymnosperm group Gnetophyta.