11.   Others complain that scofflaw tenants are being equated with poor tenants as problems to overcome, as if poverty inevitably causes antisocial behavior.

12.   Perhaps years of therapy could unearth whatever may be causing his behavior, but that is not your job.

13.   Punishment causes behavior to decrease, while negative reinforcement causes behavior to increase.

14.   Steven Chapman, the animal control officer in Sandwich, said officials also are investigating whether the animal had distemper, which he said could also cause aggressive behavior.

15.   Therapy that works, Berlin said, involves group or individual sessions in which offenders learn to recognize the internal triggers that cause their behavior.

16.   They are isolating collections of mouse genes that cause those behaviors.

17.   What can be pieced together about autism is that it affects the functioning of the brain, impairing social interaction and communication and causing repetitive behavior.

18.   Parasites often cause reckless behavior in other animals, Lefcort said.

19.   He noted that while she found links between spanking and negative behaviors, she did not assert categorically that spanking caused those behaviors.

20.   Police said they suspected his behavior had been caused by drugs.