A Psychological Factor Affecting the Driving Performance of Older Adults

question 31

Multiple Choice

A psychological factor affecting the driving performance of older adults is:

• A) lack of adequate public transportation.
• B) changes in speed limits on highways.
• C) changes in decision-time speed.
• D) concern expressed by family members.

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Definitions:

Treatment Means

The average outcomes or results of different treatments or conditions in experimental research.

Sample Mean

The average value of a set of characteristics (numbers) from a subset of a population, used to estimate the population mean.

Null Hypothesis

The default position in statistical hypothesis testing that assumes no relationship or effect between the variables being studied.

P-value

The likelihood of getting test outcomes that are as significant as or more so than the ones actually seen, presuming the null hypothesis is true.