If a Test Like This Makes You Feel Nervous and Worried,after

question 69

True/False

If a test like this makes you feel nervous and worried,after you are finished with the test you should feel relaxed and relieved.

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Definitions:

Correlation

A statistical measure that describes the extent to which two variables change together.

pH

A measure of the acidity or basicity of an aqueous solution, ranging from 0 to 14, where 7 is neutral, lower values are more acidic, and higher values are more basic.

Hardness

A measure of the resistance of a material to deformation or penetration.

Caffeine

A stimulant drug found in coffee, tea, chocolate, and certain soft drinks and medications, known for its ability to temporarily ward off drowsiness and restore alertness.