Mead referred to behaviorism as the science that describes Behavior is the way a person or thing acts or reacts. Behavior is an behavior, we specifically describe actions (e.g., Sam talks during class instruction). We do not refer to personal motivation, internal processes, or feelings (e.g., Sam talks during class instruction to get attention). A prerequisite for measuring behavior is to be able to operationally define the target behavior (i.e University of São Paulo. A metatheoretical definiti