How Do Reliability and Validity Differ? How Do They Complement

question 24

Essay

How do reliability and validity differ? How do they complement each other? Can a measure be reliable but invalid? How?

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Definitions:

Norms

Accepted standards or ways of behaving in a group, society, or culture, which guide the actions and expectations of its members.

Lifestyles

The way in which a person or group lives, including patterns of social relations, consumption, entertainment, and dress.

Supply Side

Economic theory emphasizing the importance of policies that affect the production and supply in an economy, including investment in capital and labor efficiency.