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Mand is a term that B.F. Skinner used to describe a verbal operant in which the response is reinforced by a characteristic consequence and is therefore under the functional control of relevant conditions of deprivation or aversive stimulation. One cannot determine, based on form alone, whether a response is a mand; it is necessary to know the kinds of variables controlling a response in order to identify a verbal operant. A mand is sometimes said to "specify its reinforcement" although this is not always the case. Skinner introduced the mand as one of six primary verbal operants in his 1957 work, ''Verbal Behavior''. Chapter three of Skinner's work, ''Verbal Behavior'', discusses a functional relationship called the mand. A mand is a form of verbal behavior that is controlled by deprivation, satiation, or what is now called motivating operations (MO), as well as a controlling history. An example of this would be asking for water when one is water deprived ("thirsty"). It is tempting to say that a mand ''describes its reinforcer'', which it sometimes does. But many mands have no correspondence to the reinforcer. For example, a loud knock may be a mand "open the door" and a servant may be called by a hand clap as much as a child might "ask for milk." Mands differ from other verbal operants in that they primarily benefit the speaker, whereas other verbal operants function primarily for the benefit of the listener. This is not to say that mands function exclusively in favor of the speaker, however; Skinner gives the example of the advice, "Go west!" as having the potential to yield consequences which will be reinforcing to both speaker and listener. When warnings such as "Look out!" are heeded, the listener may avoid aversive stimulation. The Lamarre & Holland (1985) study on mands would be one example of a research study in this area. ==Dynamic properties== The mand form, being under the control of deprivation and stimulation, will vary in energy level. Dynamic qualities are to be understood as variations that arise as a function of multiple causes. Dynamic in this case is opposed how someone reading from a text might sound if they do not simulate the normal dynamic qualities of verbal behavior. Mands tend to be permanent when they are acquired.〔Wacker, D.P.; Harding, J.W. & Berg, W.K. (2008). Evaluation of Mand-Reinforcer Relations Following Long-Term Functional Communication Training. ''Journal of Speech-Language Pathology and Applied Behavior Analysis'', 3(1), 25. (BAO )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mand (psychology)」の詳細全文を読む スポンサード リンク
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