 When you have an MO it could be an EO or an AO based on the experiences that you had which increases the value or decreases the value of an SR and you have no idea what I just So the word term motivating operation So it's a procedure. It's something new experience that when you experience it it can either abolish abolishing operation it can abolish the effectiveness of a reinforcer or it can establish the effectiveness of a reinforcer so motivating operations are the terms of behavior analysts use to talk about the concept of motivation, right? So if you experience certain things it could be that a particular reinforcer has been increased in value You have established the effectiveness of that reinforcer or you have abolished the effectiveness of that reinforcer to decrease the value of a reinforcer So motivating operations help you understand how motivation works in the context of behavior analysis and their particular Empirical experiences that one has that change the value of a reinforcer