Psychodiagnostics is an important, and complex part of the work of psychologists and educationalists. With the aid of this textbook and the accompanying interactive course on www.diskitpsy.com, students are able to develop the professional skills they need to perform psychodiagnostics. The online course requires students to complete increasingly complex assignments, many of which include observing videos of interactions between professional caregivers and their clients. Having completed an online assignment, studentsreceive immediate expert feedback. The textbook gives students a clear and comprehensive overview of everything that is covered in the online course.Skills in Psychodiagnostics consists of 7 modules (called Diskits):Introduction to psychodiagnosticsSystematic observationProfessional ethicsDifferential diagnostics of psychopathologyUsing tests in clinical practiceDiffererential diagnostics of developmental disordersUsing tests for child and youth psychopathology In this second edition much of the video material was improved to better resemble current professional practice. The revised website can now be easily used on a tablet or smartphone.