Question

A negative correlation between variables X and Y means that ____.

A. the correlation between variables X and Y is very weak

B. scores on variable X has little predicting power on the corresponding scores on variable Y

C. higher scores on variable X correspond to lower scores on variable Y and vice versa

D. Higher scores on variable X correspond to higher scores on variable Y while lower scores on variable X correspond to lower scores on variable Y

You are interested in the relation between the number of years working for a particular company and job satisfaction. You survey 40 workers at this company and obtain a correlation coefficient of .30 between these two variables. What is the effect size of this correlation?

A..05

B..09

C..30

D..40

Answer 1

Ans: C) higher scores on variable X correspond to lower scores on variable Y and vice versa .

A correlation coefficient is used in statistics to describe a pattern or relationship between two variables. A negative correlation describes the extent to which two variables move in opposite directions. For example, for two variables, X and Y, an increase in X is associated with a decrease in Y. A negative correlation coefficient is also referred to as an inverse correlation.