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The term 'organism ' enjoys a revered place within the vocabulary of behavior analysis, most notably perhaps within the title of Skinner's seminal work (The Behavior of Organisms, 1938). The exact status of this term, however, is unclear. For instance, the term does not appear to be a technical one. Nevertheless, its widespread use in the behavior-analytic literature suggests that it is masquerading as such. The present paper appraises the scientific utility of the term 'organism' within the domain of behavior analysis and discusses some possible reasons for its widespread use.