Introduction

Applied behaviour analysis is a branch of science in which procedures derived from the principles of behaviour are systematically applied to improve socially meaningful behaviour that could be rigorously defined and objectively detected and measured (Cooper et al., 1987). As pointed out by Moore (1999), behaviour analysis has developed three components, as well as a philosophy of science: (1) the experimental analysis of behaviour, the basic science of behaviour, (2) applied behaviour analysis, the systematic application of behavioural technology, and (3) the conceptual analysis of behaviour, the philosophical analysis of the subject matter of behaviour analysis. The philosophy of science that guides behaviour analysis is called radical behaviourism. Even though the link between the experimental and applied component of behaviour analysis is not as united ...