Which of the Following Best Defines a Map Projection

question 16

Multiple Choice

Which of the following best defines a map projection?

• A) It is the process of converting all location identifiers to a common scheme.
• B) It is a technique that involves dividing the earth into 60 north-south segments.
• C) It is a geographic boundary set up within a geographic information system.
• D) It is a technique for placing locations on the surface of the earth onto a flat surface.

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Definitions:

Spurious Relationships

Apparent associations between two variables that are not causally related but may be due to a third, unaccounted-for variable.

Internal Validity

Relates to experimental design. A study has internal validity when a cause-and-effect relationship between variables is clearly demonstrable and observed changes can be attributed to a defined causal variable and not to any other possible variables.

Attrition

The loss of participants from a study.

Treatment Effect

The impact of an intervention or treatment in experimental research, measured by the difference in outcomes between treated and control groups.