A correlation coefficient is a statistical measure of the degree to which changes to the value of one variable predict change to the value of another. In positively correlated variables, the value increases or decreases in tandem. In negatively correlated variables, the value of one increases as the value of the other decreases.
alleviates; alleviated; alleviating. Learner's definition of ALLEVIATE. [+ object] : to reduce the pain or trouble of (something) : to make (something) less painful, difficult, or severe. The doctor tried to alleviate [=relieve] her symptoms/suffering. finding ways to alleviate stress. The new tunnel should alleviate [=lessen, reduce] traffic on the bridge.
Alleviate derives from the past participle of Late Latin alleviare (to lighten or relieve), which in turn was formed by combining the prefix ad-and the adjective levis, a Latin word meaning light or having little weight.