Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 4

If there were a perfect association between two events-for example, when one increased, the other did also-this would be called a (a) _____. If an increase in one event is usually, but not always, accompanied by an increase in a second event, this is called a (b) _____. If an increase in one event were always accompanied by a decrease in a second event, this would be called a (c) _____. If an increase in one event is usually, but not always, accompanied by a decrease in a second event, this is called a (d) _____.