Essay On Percentile Score

Percentile scores are a much more refined and useful type of rank scores. Essentially a percentile score indicates the present of student that scored below it. A percentile scores of 60 means that 60 per cent students who took the test during the preparation of the norms made scores below one. A percentile score of 50 means that 50 percent of one half of the students made scores below it etc. This percentile score is not directly dependent on the number of times passed by the students but on the number of students who passed less than this one. Percentile scores has many shortcomings as this scores do not scatter evenly throughout the scale but tend to cluster or bunch up near a centre and to thin over rear the wings of the scale.

Standard score To overcome these difficulties we adopted standard scores of the test. That is we adopted the percentage of marks system. The total time allotted to answer the questions was two hours. The test was done out of 100 marks. For the reading of comprehension, 5 subjective questions were asked. Each carrying four marks, for each grammatical mistake ½ mark was deducted and for each wrong answer or un-attempted answer, no mark was given. Five more objective types

Validity is essentially a matter of relevance is the test relevant to what it claims to measure. Since language is a highly structured and highly complex activity, a test needs to measure the language element or skill it purports to measure. We need to check the validity of the content of the items. If we use a questionnaire as the language is a highly complex activity, a test needs to measure the language element or skill it purports to measure. We need to check the validity of the content of the items. If we use a questionnaire as a language test, we will have to prove that the content of the interview either ranges over the entire system of the language or adequately samples