Why Is It Important to Control Extraneous Variables (To the Best

question 59

Multiple Choice

Why is it important to control extraneous variables (to the best extent possible) ?

• A) An uncontrolled extraneous variable (variable "X") can cause doubt as to whether changes in one variable (variable "A") cause changes in another variable (variable "B")
• B) An uncontrolled extraneous variable (variable "X") can act as an alternative explanation for the claim that changes in one variable (variable "A") cause changes in another variable (variable "B")
• C) Uncontrolled extraneous variables rarely have an impact on empirical research and therefore it is not important to carefully control them most of the time
• D) Both a and b are correct

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Definitions:

Nondirective Interview

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Established Set

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Interviewer

A person responsible for conducting interviews, usually to evaluate candidates for employment or gather information.

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A controversial practice in which test scores are adjusted based on the race or ethnicity of the test taker, often used to counteract bias but criticized for being discriminatory itself.