Abstract
Zusammenfassung. Vor dem Hintergrund des organisationalen Wandels und veränderter Anforderungen an Führungskräfte werden in der Führungsforschung seit Mitte der 80er Jahre verstärkt Ansätze der charismatischen beziehungsweise transformationalen Führung diskutiert und untersucht. Die meisten empirischen Befunde hierzu basieren auf Erhebungen, bei denen unterschiedliche Versionen des Multifactor Leadership Questionnaire (MLQ) eingesetzt wurden. In diesem Beitrag werden die Ergebnisse von Validierungsuntersuchungen zu einer deutschen, adaptierten Fassung der aktuellen Version 5 x Short des MLQ (Bass & Avolio, 1995) berichtet. Überprüft wurden die psychometrischen Qualitäten sowie Fragen der Validität auf der Grundlage unterschiedlicher betrieblicher Stichproben mit über N = 3500 Befragten. Die gefundene Faktorenstruktur lässt sich im Rahmen des Gesamtmodells interpretieren, wobei die Anzahl der Faktoren etwas von der theoretisch postulierten Vorgabe abweicht. Insgesamt zeigt sich eine gute Konstruktvalidität. Weiterführend wird der Frage nachgegangen, inwieweit sich deutsche und nordamerikanische Stichproben bei der Einschätzung ihrer Führungskräfte mit dem MLQ unterscheiden. Abschließend werden Ansatzpunkte für Modifikationen und Verbesserungen angegeben, die bei einer Weiterentwicklung des Instruments berücksichtigt werden sollten.
Abstract. Increasing organizational change and new demands in the field of leadership have evoked a growing interest in the concepts of charismatic and transformational leadership. Probably the most frequently used questionnaire to measure transformational leadership is the Multifactor Leadership Questionnaire (MLQ). In this article the validation of an adapted and modified German version of the current MLQ 5 x Short (Bass & Avolio, 1995) is presented. Psychometric properties are tested and questions concerning the validity of the instrument are discussed. Results are based on a number of different samples with more than 3 500 participants. While the postulated dimensionality is only partly supported, there is evidence for good validity with regard to external criteria. Furthermore, differences between German and American findings are discussed. Finally, recommendations for further developments and improvements of the instrument are provided.
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