Russell L. Ivy

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Modeling airline fares is quite challenging due to the constantly changing fare structure of the airlines in response to competitors, yield management principles, and a variety of political and economic changes, and has become more complex since deregulation. This paper attempts to add to the literature by providing a more in-depth look at fare structure(More)
Four profoundly retarded male residents of a state institution learned to comply with the instructions "come here," "stay," and "sit." Acquisition occurred in a special therapy room and instructions were presented in a fixed sequence. All subjects learned to comply with the instructions in the training environment. Testing occurred in the subject's ward(More)
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