Answer:
EO (Establish Operation)
Step-by-step explanation:
Establish operation: The term establish operation is also denoted with the term EO, and is defined as a particular condition of aversion or deprivation that generally alerts the value of a specific reinforcer for the time being.
Therefore, it is considered to be as a motivating operation which is responsible for increasing the reinforcer's effectiveness, for example, object, stimulus, or an event, etc.
The established operation generally increases a particular behaviors' frequency that is responsible for providing access to a specific reinforcer.