This essential manual is aimed at both psychology students and professional psychologists, providing a comprehensive presentation of the fields of psychometrics and psychological assessment. The author clearly explains the terms and processes of psychometrics, such as the construction of psychological tests and their successful implementation.

It also describes the most representative tools from various areas of psychology, such as cognitive, developmental, educational, neuropsychological, and clinical psychology. The 3rd revised edition of the book includes the latest developments in these specific fields. It extensively presents the latest revisions of popular tests, such as the Wechsler IQ scales and the M.M.P.I., documenting and evaluating their strengths and weaknesses while providing information regarding the weighting process and their psychometric properties.

Outdated and anachronistic tests have been removed from the new edition. The structure of the chapters has changed, with significant additions including chapters on Interviewing and Observation, as well as the assessment of Internalized and Externalized problems in children. A significant change also includes the third section, which describes contemporary trends in psychological assessment, such as positive, therapeutic, and multicultural assessment.

The reader of the book will have the opportunity to gain both a general overview and a valuable guide to the achievements and latest developments in the field of psychometrics and psychological assessment.