The Use of IPod's May Induce Hearing Loss According to Research

question 106

Short Answer

The use of IPod's may induce hearing loss according to research conducted at Washington State University.They had a total of 500 subjects that were given IPods set a decibel (db)rate of either 0 (no sound),40db or 70db.After listening to the same music on the IPod's for 1 week each subject was given a hearing test.The two confounds that should be addressed are the mount of ____________________ prior to the study as well as the participants' ____________________.

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Definitions:

Effector

An organ or cell that acts in response to a stimulus, often involved in muscle contraction or gland secretion.

Reproductive System

A system of sex organs within an organism which work together for the purpose of sexual reproduction.

Superficial

Located near the surface of the body or an organ, as opposed to deep or internal structures.