It is important therefore to consider the factors that are responsible for differences in test performance. If the results of tests are interpreted in a sensitive and intelligent way, with these factors in mind, the correct decision can be made and mistakes in selection avoided. The factors are briefly discussed hereunder.
Every human being is influenced by his or her own culture, and also in the process of enculturation influenced by other cultures, particularly those that are dominant in a given society .Culture influences every aspect of our life's journey from birth until death. How we view the world is a reflection of the culture into which we are born, how we live our lives, the languages that we speak, and our values are important aspects of our cultural heritage. As such objectivity in relation to our own culture is usually very difficult and the ability to understanding other cultures often