a statistical measure that indicates to what extent two factors vary together and how well one might predict the other positive correlation coefficient = both factors move in the same direction; negative correlation coeficient = one factor goes up the other goes down.
RESEARCH CORRELATION (COEFFICIENT)
Meaning of RESEARCH CORRELATION (COEFFICIENT) in English
Raynet Business and Marketing English glossary. Английский глоссарий компании Raynet Business and Marketing . 2012