Through the process of selection the measurement and prediction of behaviour has become an important activity in the field of psychology, especially in the workplace. A dynamic selection process can assist the organisation in identifying individuals who best suit it's needs. Psychometric testing is the most common procedure in the prediction of human behaviour during selection. Seeing that not all instruments are valid and reliable, much controversy still exists on the use of such instruments in South Africa. Only by introducing instruments that apply to these criteria will psychometrics have...