Jeremy M. Johnston

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An approach to reinforcement-schedule contingencies is presented that accommodates continuous as well as discrete effective dimensions of responses and reinforcers. College students' wheel turning was reinforced by projected reading material according to four schedule contingencies that incorporated either a discontinuous (count) or continuous (duration)(More)
Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instruction, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this(More)
require that one agent can observe and recall how the other agents behaved with third parties. Therefore cooperation on the basis of similarity could be widely applicable in situations where repeated interactions are rare, and reputations are not established. Indeed, the basis for similarity can be completely arbitrary, such as for chemical markers or(More)
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