At Folger U

question 176

Multiple Choice

At Folger U., Drs. Chase and Sanborn are conducting an experiment on the effects of caffeine on memory. Participants are randomly assigned to a caffeine or a no-caffeine group; their recall of items on a word list is later assessed. Which pair below correctly identifies a variable in this experiment?

• A) caffeine - dependent variable
• B) caffeine - independent variable
• C) word recall - independent variable
• D) word recall - experimental variable

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Definitions:

Narrow Sea

A relatively small and elongated body of seawater that lies between two landmasses, often acting as a natural border.

Volcanic Islands

Islands formed by volcanic processes above the sea level, often at hot spots or oceanic plate boundaries.

Oceanic Plateau

A large, high-standing, submarine plateau formed by volcanic activity and consisting mainly of basalt.

Abyssal Plain

A large, flat, almost level area of the deep-ocean floor, usually found at depths between 3,000 meters and 6,000 meters.