The Figure Below Examines the Association Between Life Expectancy and Computer

question 23

Multiple Choice

The figure below examines the association between life expectancy and computer ownership for several countries.Also shown are the equation and R2 value from a linear regression analysis.What is the best conclusion to draw from the figure?

• A)Exposure to the radiation from computer monitors is causing a clear decline in life expectancy.
• B)Persons who live longer buy more computers over the course of their longer lifetimes.
• C)Although the association is strong,computer ownership probably does not promote longevity.Instead,national per capita wealth is probably a lurking variable that drives both life expectancy and computer ownership.
• D)Computer ownership promotes health and long life,probably due to the greater access that computer owners have to health information on the world-wide web.
• E)Clearly,there must be some as-yet unknown health benefit associated with using computers.

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Definitions:

Knowledge

Information, understanding, or skill obtained through experience or education; the theoretical or practical understanding of a subject.

Yourself

Your own person, unique identity, or being, often referenced in the context of personal growth or introspection.

Emotional Competence

The ability to effectively manage and navigate one's own emotions and understand and respond to the emotions of others.

Personal Competence

The ability to be self-aware, motivated, and self-regulated.