Warning

Aptitude tests administered at the pre-job offer stage can run afoul of the Americans with Disabilities Act (ADA), if the employer, with the help of a psychologist, determines that certain patterns of answers on the test provide evidence that an applicant could have a psychological impairment. In other words, if you employ 15 or more people, in some cases, aptitude tests can be used against you to claim that you discriminated against a job applicant who had a legally protected disability.