At most Canadian and American community colleges and universities, student ratings have been implemented as a means of evaluating course instruction. Although concerns regarding the validity of student ratings from instructors’ perspectives have been studied quite extensively, issues associated with the use of student ratings information by administrators have been largely ignored. In this stud...

We investigate whether Swedish Environmental Protection Agency (EPA) administrator recommendations regarding improvements in environmental quality differ from citizen preferences. The scope and significance of the possible difference are assessed by conducting identical choice experiments on a random sample of Swedish citizens and a random sample of administrators working at the Swedish EPA. Th...

Administrators can be highly reluctant to run foreign measurement tools on their hosts because (a) such tools frequently require privileged execution in order to transmit customized measurement packets and/or to passively capture network traffic, and (b) the administrators lack mechanisms to control the rate, duration, type, destination, and contents of traffic generated by the measurements. We...

We investigate whether Swedish Environmental Protection Agency (EPA) administrator recommendations regarding improvements in environmental quality differ from citizen preferences. The scope and significance of the possible difference are assessed by conducting identical choice experiments on a random sample of Swedish citizens and a random sample of administrators working at the Swedish EPA. Th...

As systems grow larger in size and complexity, it becomes increasingly difficult for administrators to maintain some shared sense of awareness of what's going on in the system. We implemented a large public display with appropriately designed visualizations that allow for rapid assessment and peripheral awareness of system health. By placing the visualizations on a large display in a shared, co...

Modern server systems encompass multiple components and/or layers containing configuration parameters that can affect performance. Managing the interplay of these parameters is becoming increasingly challenging as the complexity of server systems continue to grow. In this paper, we propose a framework called OpTune to help system administrators tune these parameters. OpTune asks administrators ...

Recent interest in synchronous collaborative learning environments prompts an examination of users’ participation, social roles, and social interactions in these spaces. We analyze new users’ participation rates on MOOSE Crossing, a collaborative educational environment that has been operating for over ten years. We examine how interactions with MOOSE Crossing regulars – highly active users who...