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.

This paper outlines why program evaluation should follow well-respected scientific standards and why it should be performed by independent researchers.

Die vorliegende Arbeit analysiert Vor- und Nachteile des Einsatz objektorientierter Konzepte bei der Entwicklung von EDV-unterstützten Informationssystemen.

We examine the strategic behavior of leaders and followers in sequential duopoly experiments in which followers either perfectly observe the leaders' actions or else observe nothing. (...)

This paper observes in which way working hours as well as effort respond to a wage increase and we have full control regarding theworkers´ anticipation of the wage increase.

Vorliegendes Arbeitspapier beschäftigt sich mit Computer Assisted Learning (CAL). Dabei soll besonders auf den Bereich der Berechnungsexperimente eingegangen werden.

We investigate an experimental representatives' trust game which resembles trust relationships between representatives of organisations. Personality traits of subjects are elicited by a personality questionnaire (Cattell's 16 PF-R) which is well established in personnel psychology. Linking the...