If a Researcher Performs an Experiment Where Half of the Participants

question 37

Multiple Choice

If a researcher performs an experiment where half of the participants perform a memory task in the presence of distracting noise such as a jack hammer) while the other half do not, the researcher has

• A) Assigned the independent variable of memory task outcome
• B) Manipulated the dependent variable of memory task outcome
• C) Manipulated the independent variable of noise level
• D) Assigned the dependent variable of noise level

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Definitions:

Epiglottic Cartilage

A leaf-shaped cartilage situated at the root of the tongue that prevents food and liquid from entering the windpipe during swallowing.

Thyroid Cartilage

A large cartilage of the larynx that forms the Adam's apple and serves as a shield for the vocal cords beneath it.

Cellular Respiration

The metabolic process by which cells break down glucose and other molecules to produce energy in the form of ATP, utilizing oxygen and releasing carbon dioxide.

Internal Respiration

The exchange of gases between the blood and body cells, involving the intake of oxygen and release of carbon dioxide from metabolic processes.