Although practitioners have begun to implement Green IT into their companies, the governance of Green IT varies significantly. No research has been done to explain these differences in Green IT governance. Building upon contingency theory and IT governance, we develop a contingency model for Green IT governance which demonstrates the fit between contingencies and the company-specific configurat...

We compared the effects of direct and indirect reinforcement contingencies on the performance of 6 individuals with profound developmental disabilities. Under both contingencies, completion of identical tasks (opening one of several types of containers) produced access to identical reinforcers. Under the direct contingency, the reinforcer was placed inside the container to be opened; under the ...

In this paper we present an overview of contingency tables, provide an introduction to the problems of almost uniform sampling and approximate counting, and show recent results achieved through the use of Markov chains. We focus specifically on contingency tables with two rows, since as of this time little progress has been made in achieving reasonable bounds on arbitrarily sized contingency ta...