Although it is the basis for propositions of a "science of behavior," B. F. Skinner’s work is marked by different indications regarding the concept of behavior, not always convergent and concise. Such plurality ends up leading to a framework of interpretations and philosophical commitments not only distinct but often incompatibles, which seems to reflect difficulties for researchers and practitioners in dealing with this notion, as central as unclear. Dealing with the construction of interpretations about different concepts and notions in radical behaviorism, researchers have established articulations and confrontations between Skinner's work and other authors of distinct traditions and areas. Among these studies, there are indicati...