In the current article, we describe the development and validation of the Mistake Rumination Scale as a supplement to existing trait and cognitive measures of perfectionism. The Mistake Rumination Scale is a seven-item inventory that taps the tendency to ruminate about a past personal mistake. Psychometric analyses confirmed that the Mistake…

This step-by-step guide provides a clear and concise reference for those who want to understand and use the Rorschach inkblot test with confidence. The book reviews the strengths and weaknesses of the Rorschach, and offers advice on its clinical applications, with emphasis on the evaluation of adult personality. The chapters are: (1)…

This booklet is intended for practitioners interested in administering, hand scoring, and providing individualized feedback reports on the Leader Attributes Inventory (LAI), an inventory designed to provide assessment data on 37 leader attributes. The following topics are discussed in the booklet's six sections: preparing the instruments for use;…

This booklet is intended for practitioners interested in administering, hand scoring, and providing individualized feedback reports on the Leader Effectiveness Index (LEI), a seven-item instrument designed to provide assessment data on leader effectiveness. The following topics are discussed in the booklet's six sections: preparing the instruments…