Achieving sufficient proficiency in academic writing is critical in university level setting. It is not surprising hence, that the admission to English speaking universities is usually conditioned not only by a particular total score from Standardized tests of English proficiency, e.g., TOEFL or IELTs but also a specific band score in writing. To…

With multiple options to choose from, there is always a chance of lucky guessing by examinees on multiple-choice (MC) items, thereby potentially introducing bias in item difficulty estimates. Correct responses by random guessing thus pose threats to the validity of claims made from test performance on an MC test. Under the Rasch framework, the…