E-nstructions facilitates the use of electronic instructions in computerized laboratory ex-periments in social sciences. In this article I provide a set of guidelines for the installationand the use of E-nstructions.

We report an experiment on a decision task by SAMUELSON and BAZERMAN (1985). Subjects submit a bid for an item with an unknown value. A winner s curse phenomenon arises when subjects bid too high and make losses. Learning direction theory can account for this. However, other influences on...