What is an EO?

An Establishing Operation (EO) increases the effectiveness of a reinforcer.

Keyword: Deprivation.

If you have not played video games for a week (Deprivation), the value of video games goes UP. You will work harder to get them.

Clinical Application

We can capture EOs to teach. If a child is hungry, it is the perfect time to teach the word "Eat." The motivation is high.

RBT Practice Exam Scenario

Question: "Joseph has not eaten since breakfast. It is now 2pm. Food is a strong reinforcer. This is due to..."
Answer: Establishing Operation (Deprivation).

Frequently Asked Questions About EOs

Does an EO cause behavior?

It evokes behavior. It makes the behavior more likely to happen right now.