What Does Recent Research Report About the Health Benefits of Computer

question 103

Multiple Choice

What does recent research report about the health benefits of computer use?

• A)Increasing computer use is the cause of increased obesity in the U.S.
• B)Adolescents often use the Internet as a health information source, especially about sexual matters and sexual risk.
• C)Computer game playing diverts children from schoolwork, exercise, and peer activities.
• D)Most health information available online is inaccurate and dangerous.

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Definitions:

Variance

A measure of variability that denotes the average of the squared differences from the mean, used in statistics to indicate how data points in a set are spread out.

Normal Distribution

A symmetrical bell-shaped distribution of data in which most of the values cluster around the mean.

Uniform Probability Distribution

A distribution in which all outcomes are equally likely to occur within a certain range.

Expected Value

The long-run average value of repetitions of the same experiment or random trial.