There are two distinct approaches to risk. Firstly, the ‘objective' approach is numeric, probabilistic and focused on the risk itself; it is concerned with people in general rather than in individual terms. Secondly, the ‘subjective' approach recognizes that risk issues have personal and...

The paper presents the design of an adaptive web/mobile platform, called Counterobe, targeting the problem of obesity and weight management. The platform incorporates several behavioral, emotional and cognitive strategy features in order to motivate and mobilize the end users more effectively,...