The average age of new stepchildren is ______ years

The word positive, when combined with the words reinforcement or punishment, means only that the behavior is followed by the ____ of something. The word negative, when combined with the words reinforcement or punishment, means only that the behavior is followed by the ____ of something.

Fill in the blank(s) with the appropriate word(s).

Criminologists have used profiling and use personality theories to describe perpetrators. The goal of using personality profiles of perpetrators is often focused on ________

A) helping narrow a search or interrogation process B) helping to prove guilt C) identifying criminal personality types D) demonstrating that there are some personality types that are prone to crime