Unlucky devils

The Unlucky Door

Monte and Conie play the famous Three-Door Game. The quiz-team hides the prize behind one of the doors. Conie, who does not know where the prize was hidden, is asked to choose one of the doors as a first guess. Monte, who saw where the prize was hidden, will reveal then one of the doors which does not conceal the prize, but never the door chosen by Conie. Finally, Conie will be offered to eithe...

Nao Devils Dortmund Team

The Nao Devils Dortmund have their roots in the teams Microsoft Hellhounds (and therefore part of the German Team), DoH!Bots and BreDoBrothers. The team had a number of successes, such as winning the RoboCup World Championship twice with the GermanTeam (2004 and 2005), winning the RoboCup German Open 2005, the Dutch Open and US Open 2006 with the Microsoft Hellhounds, and winning the Four-Legge...

Dembski, Darwin and Devils

An Unlucky Feeling: Overconfidence and Noisy Feedback

How does overconfidence arise and how does it persist in the face of experience and feedback? In an experimental setting, we examine how individuals beliefs about their own performance on a quiz react to noisy, but unbiased feedback. In a control treatment, each participant expresses her beliefs about another participants performance, rather than her own. On average, they express accurate poste...

A case of being ‘double unlucky’

A 5-year-old girl presented with a history of global developmental delay and recurrent focal seizures since 2 years of age. Her parents had also noticed a progressive abdominal distension for the last 1 year. Physical examination revealed facial angiofibroma/adenoma sebaceum (Figure 1), blood pressure of 110/ 80 mmHg (between the 95th and 99th percentiles for age sex and height percentile) and ...