What was the goal of each nation fighting in WWI? A. To “wear down” the enemy
B. The central powers quickly overran the allies
C. The targets were usually civilians
D. The trenches tended to exchange sides often

Match the item to the definition: indirect correlation, correlational research, correlational research, covary, pearson correlation coefficient, pearson correlation coefficient, direct correlation a. used to describe the relationship between two or more naturally occurring variables b. determines whether scores on the two variables covary c. whether two variables vary or change together d. denoted by the symbol "r" e. provides information about the sign (direction) and magnitude(strength) of the linear relationship. f. when the correlation is positiveg. when the correlation is negative