The document discusses various topics related to employee selection such as reliability and validity, different types of tests used for selection, validation of tests, interviews, and assessment centers. It provides definitions of reliability and validity and describes different types of each. Various selection tests are listed including intelligence, personality, and cognitive ability tests. The document also discusses validating a test, different types of interviews like structured and unstructured, and the structure of a behavioral event interview. Finally, it touches on unique forms of testing and different exercises used in assessment centers.