Hair is considered what type of evidence? what is the exception to this?

The effective use of a knowledge technology should result in a(n):

Atraffic cop has pulled over a speeder, only to discover that he has stopped a close friend. the police officer is torn, because his professional obligations demand that he punish the speeder, but his personal obligations suggest that he should give a friend a break. what is this called?

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