Jim Kouzes and Barry Posner have co-authored more than a dozen other award-winning leadership books including:
They also developed the highly acclaimed Leadership Practices Inventory® (LPI®), a 360-degree questionnaire for assessing leadership behavior. The LPI® is one of the most widely used leadership assessment instruments in the world, along with The Student LPI®. More than five hundred doctoral dissertations and academic research projects have been based on their The Five Practices of Exemplary Leadership® model.


Read some of the hundreds of articles that have been written on, or draw on the teaching of the author’s articles. Take inspiration from what others have written that will assist you in maximizing your own attendance at these courses, and can lead to your own expression in referenced articles and further research.

Authors Research

For over 30 years, authors Jim Kouzes and Barry Posner have continuously gathered and analyzed data from Leadership Practices Inventory® (LPI®) survey questionnaires for ongoing study and to make refinements to the instrument. The current database includes responses from approximately 1.3 million respondents and is used to produce the normative information contained in the LPI® Online Feedback Report.

Explore this section to find the latest information about how Kouzes and Posner conducted the initial research that ultimately gave birth to The Five Practices of Exemplary Leadership®. Here you’ll also find the latest information about the psychometric properties of the LPI®, the reliability and validity of additional data that supports the model, and summaries of key findings on the effects of more exemplary leadership.