Place, U. T. (1981a). Skinner's Verbal Behavior I - why we need it. Behaviorism, 9, 1-24. www.jstor.org/stable/27758970
[Abstract]To explain behaviour in terms of intension­al or mentalistic concepts is to explain the behaviour in question on the assump­tion of a consistent and rational connection between what the agent does and what he says or what is said to him and that therefore any general account of verbal or linguistic behaviour which employs such concepts is necessarily circular, since it explains the acquisition of linguistic skills on the assumption that the speaker already possesses such skills. It follows that this circularity can only be avoided by developing a theory of verbal or linguistic behaviour which is stated entirely in a nonintensional or extensional language. At the present time, the most developed conceptual system for description and explanation of the behav­iour of organisms at the molar level in purely extensional terms is that provided by the so-called ‘Radical Behaviorism’ of B. F. Skinner and his followers. Fur­thermore, in his book Verbal Behavior Skinner (1957) has used this conceptual framework to develop a theory of verbal or linguistic behaviour which repre­sents the most ambitious attempt made so far to formulate a theory of linguistic behaviour in nonintensional or extensional terms.
Note:
Revised version is from 1999.
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Download: 1981a 1999 Skinner's Verbal Behavior I - Why We Need It - revised version.pdf

Place, U. T. (1988h). Pre-linguistic and post-linguistic concepts. [Presentation to the Generalisation Group, Department of Psychology, University College of North Wales, Bangor at 10 March 1988 and to the Department of Psychology, Trinity College, Dublin at 11 March 1988.]
Note:
After the presentation revised by the author. The last revision is from 24^th March 1999. The central argument of the paper has not been revised.
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Download: 1988h Pre-Linguistic and Post-Linguistic Concepts.pdf