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' ____________________.
Correct Answer:
Verified
Correct Answer:
Verified
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