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What Are the Two Most Common Types of Hearing Loss

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What are the two most common types of hearing loss? Which can be helped with a hearing aid?


Definitions:

Random Assignment

A method used in experiments to evenly distribute participants across various groups by chance, minimizing biases and ensuring groups are comparable.

Two Groups

Refers specifically to an experimental design wherein participants are divided into two distinct groups, often an experimental group and a control group.

Separate Control Group

A group in an experiment that is not exposed to the treatment or intervention and is used as a benchmark to measure the effects of such treatment.

Regression Toward the Mean

The statistical phenomenon that high or low scores naturally tend to move closer to the average over time.

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