Interviews may on occasion require candidates to take aptitude or psychometric test. These types of tests are rather less daunting than their titles imply and are best approached in a relaxed manner.

The links below give you an opportunity to find out more about the origins and structures of such tests and the opportunity to try them in your own time prior to facing them in an assessment environment.
Take a look, they might not be so bad after all.

For more interview tips, download this PDF.