If You Compute a Statistically Significant Negative R Between Two

question 129

Multiple Choice

If you compute a statistically significant negative r between two variables (X and Y) ,this tells you that _____.

• A)higher scores on X are associated with higher scores on Y
• B)X and Y are unrelated to each other in the population
• C)higher scores on X are associated with lower scores on Y
• D)you have made a computational error

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Definitions:

Sensory Adaptation

The process by which a person becomes less sensitive to a stimulus after prolonged exposure.

Signal Detector

A device or system designed to detect the presence of, or changes in, physical or other indicators, often used in the context of safety or communication systems.

Sensory Adaptation

The process by which sensory receptors become less sensitive to constant stimuli over time.

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time, also known as the just noticeable difference.