A Number of Injuries Are Now Specific to White-Collar Workforces

question 4

Multiple Choice

A number of injuries are now specific to white-collar workforces such as office workers.Janice, who works as a computer analyst, has experienced pain in her wrists and arms as a result of long hours working at her computer terminal.She has found that over the last few weeks her pain has become such that she finds it difficult to work.What type of injury is Janice experiencing?

• A) visual impairment
• B) back injuries
• C) environmental hazards
• D) repetitive strain

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Definitions:

Alpha

Often referred to as the level of significance in hypothesis testing, it represents the threshold at which the null hypothesis is rejected.

T-test

A statistical test used to compare the mean of two groups to see if there is a significant difference between them.

Null Hypothesis

The hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Alpha

The threshold of probability at which the null hypothesis is rejected in statistical testing, often set at 0.05.