It provides mental health professionals with valuable empirical and interpretive support as they answer assessment questions for diagnostic and decision-making purposes. Chapters are written by assessment psychologists who are renowned for their expertise and contributions in developing and researching specific assessment instruments or topics.

Contributors provide key information about widely used interview methods, self-report measures, and performance-based tests, including the MMPI-3, the SPECTRA, the Rorschach test, and cognitive and neuropsychological evaluations. They also review diagnostic criteria from the DSM-5-TR and the ICD-11.

Additional chapters review special considerations for differential diagnosis, including comorbidity with medical conditions, distinguishing bipolar spectrum disorders from other disorders with similar traits, and accounting for multicultural factors. Two in-depth case examples provide comprehensive illustrations of the multimethod evaluation process with an adolescent and an adult.