Background: Validity is a notable concept in language testing which has concerned many researchers and scholars in the field of language testing due to its importance in decision making process. Tests' results always introduce consequences to test takers' lives which emphasizes the need to ensure their validity. Detecting and delineating the…

Background: This study aims to empirically answer the question of whether the role of sub-reading skills changes depending on the test format (e.g., multiple-choice vs. open-ended reading questions). The test format effect also addresses the issue of test validity--whether the reading test properly elicits construct-relevant reading skills or…

The National Center Test is a test that high school graduates take in order to be matriculated into the majority of universities in Japan. Its English section (NCT), though, is scheduled to be replaced by commercially available private English tests of four skills (reading, listening, speaking, writing) due to the fact that NCT currently measures…

Among sundry factors influencing an individual score "Environmental factors" and "Test rubric" play significant roles. The present article attempted to investigate the influence of "time of administration" and "language of instruction", each relating to the above-mentioned factors respectively on the Iranian…