First Provide a Definition of an Index or Scale

question 4

Essay

First provide a definition of an index or scale. Your book discussed ways in which indexes can be used in the development of research questions and their measurements. Identify at least two reasons why a multi-item index would be useful to improve validity and two reasons why it would useful to improve reliability.

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Definitions:

Hydroelectric Power

Energy produced from the movement of water, often by using dams to generate electricity from water flowing downhill.

Gold Deposits

Concentrations of gold found within the Earth's crust, often mined for economic purposes.

Stream Gravels

Loose, water-worn rocks found in or near the bed of a stream.

Fractures

Breaks or cracks in rocks along which there is no movement of the sides.