The Trainer's Lexicon contains over 1,500 alphabetically arranged entries from pedagogy, particularly vocational pedagogy, as well as related fields such as psychology and sociology. The lexicon, which is published in its fourth revised and expanded edition, reflects the current state of knowledge in these scientific disciplines. It informs the user in simple and concise language about important terms in these fields. Additionally, references lead to supplementary information. The book serves as a contemporary reference work for anyone preparing for the trainer examination or already working as trainers. It is also aimed at students in all educational disciplines and anyone involved in training issues, such as HR managers, department heads, works councils, and youth and trainees.