Explain the Difference Between Reliability and Validity

question 144

Essay

Explain the difference between reliability and validity.

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Definitions:

Validity

The degree to which a tool, test, or study accurately measures what it intends to measure or reflects the true reality.

Marketing Researchers

Professionals who study market conditions, consumer behaviors, and competitive dynamics to provide insights and guidance for marketing strategies and decisions.

Scanner Data

Data obtained from scanner readings of UPC codes at checkout counters.

UPC Codes

Universal Product Codes, a system of barcodes used to uniquely identify retail products for tracking and sales purposes.