Joyce Read a Study That Reported Students' Age Was Correlated

Joyce read a study that reported students' age was correlated r = -.68 with classroom management referrals. This correlation indicates as age increases,

A) classroom management referrals are about equally likely to decrease or increase.
B) classroom management referrals are more likely to decrease.
C) classroom management referrals are more likely to increase.
D) classroom management referrals are likely to remain at the same level.