This is part 4 of a five part conversation with Dr Claire St Peter. Claire is a behavior analyst. She teachers At West Virginia University where she has recently taken on a new role. She is now Chair of the Department of Behavior Analysis. This week we are down in the weeds considering the definitions of words both trainers and behavior analysts use on a regular basis. We started in episode 248 by asking what is shaping? In this episode we ask what is behavior? The nuances form the basis for a great conversation that takes us in some surprising directions beginning with do plants behave? What do you think? Find out what we think as we try to find an answer to the question: what is behavior? The answers we consider have useful implications for working with our horses.