Which Type of Study Is Considered Strongest for Testing the Effectiveness

question 8

Multiple Choice

Which type of study is considered strongest for testing the effectiveness of an intervention?

• A) Experimental
• B) Pretest/posttest
• C) Quasi-experimental
• D) Randomized controlled trial

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Definitions:

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Net Income

The total earnings or profit of a company after subtracting all expenses, taxes, and costs.

Random Variable

A numerical outcome-based variable originating from a random phenomenon.

Defective Light Bulbs

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