Under What Circumstances Is a Score That Is 15 Points

question 70

Multiple Choice

Under what circumstances is a score that is 15 points above the mean an extreme score relatively far from the mean?​

• A)​When the population mean is much larger than 15
• B)​When the population standard deviation is much larger than 15
• C)​When the population mean is much smaller than 15
• D)​When the population standard deviation is much smaller than 15

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Definitions:

Correct Rejection

In signal detection theory, the decision that a signal is not present when it truly is absent.

Hit

In cognitive psychology, correctly identifying a stimulus from a set of alternatives in memory tasks; in sports, making successful contact with the target.

Just Noticeable Difference

The minimal change in stimulus intensity required to detect a difference between two stimuli, according to psychophysical research.

Visual Acuity

The sharpness or clarity of vision, often measured by the ability to discern letters or numbers at a given distance according to a standardized chart.