There are jobs that require specialized skill such as driving, typing, stenography. In these jobs, the candidate is asked to demonstrate his aptitude by undergoing a trade test. A number of individual organizations in India are using this test for the selection of clerical, supervisory, managerial and technical personnel. It helps the management in selecting a candidate to a technical position. Psychological Tests may be further classified in the following categories.
Intelligence test is used to measure intelligence and mental ability quantitatively.
In this type of tests, simple questions are asked pertaining to reasoning, common sense, arithmetic, analogies, vocabulary, similarity, opposites . Such tests are used in selection and classification of workers for all types of jobs. Aptitude test measures the talent or potential ability to do something. This test is more valid when an applicant has had little or no experience along the lines of the job opening. It is generally applied in seeking a candidate for a clerical position.