PAR, Inc. (Psychological Assessment Resources) is a publisher of psychological assessment instruments, software, and related materials. Established in 1978, the company offers a wide range of products catering to mental health professionals, including tests for personality assessment, clinical diagnosis, and educational purposes. PAR is known for its rigorous standards in test development, ensuring that their assessments are both reliable and valid. Alongside traditional paper-and-pencil assessments, they provide digital solutions to meet the evolving needs of clinicians and researchers.