The paper entitled âA single item measure of self-control - validation and location in a nomological network of self-control, boredom, and if-then planningâ of Wanja Wolff (University of Konstanz), Maik Bieleke (University of Konstanz), Chris Englert (University of Frankfurt), Alex Bertrams (University of Bern), Julia SchĂŒler (University of Konstanz), and Corinna Martarelli (Unidistance Suisse) can be found here.