Question: Discuss the various extraneous variables that can affect the validity of results obtained through experimentation and explain how the researcher can control extraneous variables.

Discuss the various extraneous variables that can affect the validity of results obtained through experimentation and explain how the researcher can control extraneous variables.

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Discuss the various extraneous variables that can affect the validity of results obtained through experimentation and explain how the researcher can control extraneous variables.

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