Why Is It Generally Harder for Individuals Older Than 70

question 19

Multiple Choice

Why is it generally harder for individuals older than 70 to understand audible speech?

• A) Hearing loss, which is nearly universal in this age group, explains the major difficulties.
• B) There are so many redundant cues in speech that it confuses older listeners.
• C) Since their own muscles are slowed down, they stop understanding visual cues to lip-read.
• D) The processing of temporal auditory information can be impaired in older adults even when frequencies are reliably heard at low volumes.

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Definitions:

µ

The symbol µ (mu) commonly represents the population mean in statistics, which is the average value of a set of characteristics in a population.

μ

The symbol representing the mean (average) of a population in statistics.

T-Statistic

Re-defined: A value calculated from sample data during a t-test, used to assess the significance of the difference between two sample means.

α

Represents the level of significance in hypothesis testing, typically set at 0.05 or 5%.