Which of the Following Statements About Correlations Is Incorrect

question 298

Multiple Choice

Which of the following statements about correlations is incorrect?

• A) A and B correlate +1.00; therefore, they are causally related.
• B) A and B correlate +1.00; if you know A you can predict B without error.
• C) A and B correlate -1.00; if you know A you can predict B without error.
• D) A correlation of +.90 gives better predictability than a correlation of +.60.

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Definitions:

Brightness

A measure of how light or luminous a space or source appears to the eye.

Intensity of Nonspectral Color

The degree of strength or vividness of a color that does not correspond to a single wavelength of light but is perceived as a mixture of wavelengths.

McCullough After-effect

A phenomenon where prolonged viewing of colored stimuli causes an object to appear in complementary colors when subsequently viewed on a white background.

Pool Their Signals

This concept involves combining multiple indicators or signals to enhance decision-making or analysis.