Psychological Assessment uses systematic testing procedures to evaluate abilities, behaviours and personal qualities of individuals. Our assessment may be formal or informal.

Formal assessment is objective, standardized and organized. Informal assessment varies from case to case and from one assessment to another and therefore is open to subjective interpretations.

(i) Aptitude tests are meant to measure an individual's potential which in turn helps to predict future performance.

(ii) Aptitude tests are available in two forms: Independent (specialized) aptitude tests. For example, typing aptitude test or mechanical aptitude test and Multiple (generalized) aptitude tests, for example- Differential Aptitude Test.

Intelligence tests are standardized tools which provide a global measure of a person's general cognitive competence including the ability to profit from schooling.

(i) According to Wechsler, intelligence is a global capacity to think rationally, deal effectively and act purposefully.

(ii) According to Binet, intelligence is an ability to reason well, to judge well and to understand well.