Walking tests, frequently used to document effects of treatment on exercise capacity, have never been standardised. We studied the effects of encouragement on walking test performance in a randomised study that controlled for the nature of the underlying disease, time of day, and order effects. We randomised 43 patients with chronic airflow limitation or chronic heart failure or both to receive...

We analyze the forum contribution rates during forty offerings of 12 college courses reaching back to 2011. The goal is to identify moments during the quarter when encouragement for passive students might be timely. We started with a social graph model of each forum archive. From those models we computed weighted out degrees, and page ranks for each student. The out degrees reflect the number o...

Some organisations appear to be more successful than others at adopting and implementing Knowledge Management (KM) systems. In this paper, the authors investigate why this situation may occur through a case study analysis of two organisations that have implemented KM systems. In the first case, the authors consider why one supposedly technologically literate organisation experienced problems im...