What is Test? State different types of tests in selection procedure.

Definition of Test:

Employers often use tests and other selection procedures to screen applicants for hire and employees for promotion.

The use of tests and other selection procedures can be a very effective means of determining which applicants or employees are most qualified for a particular job. However, use of these tools can violate the federal anti-discrimination laws if an employer intentionally uses them to discriminate based on race, color, sex, national origin, religion, disability, or age (40 or older). Use of tests and other selection procedures can also violate the federal anti-discrimination laws if they disproportionately exclude people in a particular group by race, sex, or another covered basis, unless the employer can justify the test or procedure under the law.

Find out the differences between Test Validity and Test Reliability.

Test Validity vs. Test Reliability:

Whenever a test or other measuring device is used as part of the data collection process, the validity and reliability of that test is important.  Just as we would not use a math test to assess verbal skills, we would not want to use a measuring device for research that was not truly measuring what we purport it to measure.  After all, we are relying on the results to show support or a lack of support for our theory and if the data collection methods are erroneous, the data we analyze will also be erroneous.

What is Reliability Test? What are the sources of reliability test availalbe?

Reliability of test:

Reliability is synonymous with the consistency of a test, survey, observation, or other measuring device.  Based on the inconsistency of this scale, any research relying on it would certainly be unreliable.

A reliability coefficient is often the statistic of choice in determining the reliability of a test.  This coefficient merely represents a correlation, which measures the intensity and direction of a relationship between two or more variables.