Barry is involved with a group of criminals who smuggle illegal items out of the country. Occasionally, he is summoned by the police to provide information about the people involved in the smuggling process with him, the items smuggled, and frequent routes used for smuggling. In this scenario, Barry is a(n) .

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