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Explain the Difference Between Internal Validity and External Validity in Experimental

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Essay

Explain the difference between internal validity and external validity in experimental research.Why must experimenters usually make a "trade-off" between internal and external validity?


Definitions:

Direct Objections

Explicit reservations or disagreements voiced by a potential customer during a sales process.

Alternative-Choice Close

A sales technique where the salesperson presents the potential buyer with two choices, both leading to a sale, in an effort to close the deal.

Buying Decision

The process of evaluating and choosing from available alternatives to purchase a product or service.

Question Close

A sales strategy that involves closing a deal by asking the customer a question that assumes the sale has been made.

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