When significant findings are repeated, reliability relates to how well an examination, test, or other gauging approach conveys identical conclusions. Without the understanding of complimentary observers who can examine the testing methods processes that produce predictable results, teachers would be unable to reach satisfying conclusions about the generalizability of their tests (Brown & Abeywickrama, 2019). When it comes to standardized tests like TCAP: depending on how much weight the grader pays to grammatical correctness, spelling, complexity, organization, and a variety of other characteristics, the same sample might earn very different ratings.
The test-retest consistency determines confidence in any given test. Data is verified regularly, for example, to guarantee consistency throughout time. This means that any relevant measure of comprehension for this person should score the same results in TCAP as it in other tests (Powerpoint). An activity that yields wildly different scores over time is not a good fit for a form that should be predictable. The test publisher collects statistical data during countrywide studies to validate the test’s reliability in which representative groups of students take the exam in standardized settings (Popham, 2018). By matching a standardized exam with the instructional standards, it is supposed to measure; a test publisher can establish one component of its validity.
A well-designed standardized exam is an effective technique of assessing the achievement of many students despite the significant time and effort necessary for creation. Standardized tests, such as TCAP, are reliable, valid, and fair (Popham, 2018). This makes it arguably the best alternative for assessing student accomplishment levels when a high-stakes test is required to highlight decisions that affect the future of a single child or a complete school district. It also eliminates the option for the students to repeat the test when they have already failed.
References
Brown, H. D. (2019). Principles of language learning and teaching (3rd ed.). Prentice Hall.
Popham, W. J. (2018). Assessment literacy for educators in a hurry. ASCD. Reliability; Chapter 3.
Popham, W. J. (2018). Assessment literacy for educators in a hurry. ASCD. Validity; Chapter 4. ASCD.
Powerpoint. Authentic assessment-Lecture Notes