Define Internal and External Validity and Explain Five Threats to Internal

question 29

Essay

Define internal and external validity and explain five threats to internal validity and two threats to external validity.

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Definitions:

Accounts Receivable

Money owed to a business by its clients or customers for goods or services delivered but not yet paid for.

Capital

Assets of monetary value, like cash and merchandise, employed by a business for the creation of goods or services.

Cash

Currency and coins, plus bank balances, that are readily available for use in transactions and other financial operations.

Income Statement

A financial statement that shows a company's revenue and expenses over a particular period, illustrating how net income or net loss was achieved.