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What is an advantage of using a controlled experiment?

Sagot :

Scientists use controlled experiments (because they allow for precise control of extraneous and independent variables.) This allows a cause and effect relationship to be established. Controlled experiments also follow a standardised step by step procedure. This makes it easy another researcher to replicate the study.

Answer:

The use of a controlled experiment would allow seeing what happens normally and see the result of an another experiment which tampers with a variable