Purpose of Science MCQ

What kind of variable is IQ, measured by a standard IQ test?

Answer

Correct Answer: Continuous

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The discrepancy between the numbers used to represent something that we are trying to measure and the actual value of what we are measuring is called:

Answer

Correct Answer: Measurement error

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A predictor variable is another name for:

Answer

Correct Answer: An independent variable

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A variable that measures the effect that manipulating another variable has is known as:

Answer

Correct Answer: A dependent variable

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Which of the following best describes a confounding variable?

Answer

Correct Answer: A variable that affects the outcome being measured as well as, or instead of, the independent variable.

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