In Conductive Deafness,the Middle Ear Fails to Move Sound to the Inner

question 60

Multiple Choice

In conductive deafness,the middle ear fails to move sound to the inner ear.By amplifying sounds in the auditory canal,the hearing aid moves the _______ more than normal,helping the person hear more clearly.

• A)Cochlea
• B)Eardrum
• C)Oval window
• D)Auditory canal
• E)Auditory nerve

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Definitions:

Third Variables

Factors that are not directly involved in the research hypothesis but can influence the relationship between the variables being studied.

Confounds

Variables other than the independent variable that may cause an effect in an experimental design, thus confusing the results.

Random Assignment

A method used in experiments where participants are randomly placed into either the control or experimental group to ensure that each group is similar at the start.

Experimental Research

Experimental research is a methodological approach that systematically manipulates one variable to determine its effect on another variable, within a controlled environment.