Assessment Essay Example | Topics and Well Written Essays - 500 words - 4

Assessment - Essay ExampleThe reliability of a subjective streamlet is determined by the degree of its correctness and consistency in providing education regarding the examinee. A reliable test should yield identical results when run multiple times or when used with the same group of students because it is constant in its procedures and criteria. unquestionable test results are stable and consistent (McMillan, 2008 Atherton, 2011).Validity is the ability of a test to measure the intended objective. The three types of validity are content, criterion and wee validity. Content validity is achieved if the content of the test matches the intended objectives. Criterion validity is determined by the capability of the test to relate to other external factors. clear validity considers educational variables while predicting the test results (McMillan, 2008).An example of an objective test isThe reliability of a subjective test can be measured by giving the same test more than once or giv ing creating two forms of the same test with slight variations. The reliability of such test is measured by calculating the correlation of the consistency. Internal consistency is determined by correlating a half of the assessment with the remaining half. Reliability consistence ranges from 0 to 1.0 with 0 representing absence of reliability while 1 depicts perfect reliability. Test with a reliability coefficient of above 0.8 are considered to be standard while those with a coefficient under 0.5 are considered to be less reliable. Validity is measured by establishing if the test meets or measures the intended objective (McMillan, 2008 Atherton, 2011).Determining the reliability and validity of a test is important since it help in establishing accuracy of the grade obtained using such a test, if a test is valid and reliable the results obtained are considered a uncoiled depiction of the students level of understandingFormative assessment is used by the teachers or lecturers to obta in