One major threat to validity in high-stakes testing is construct-irrelevant variance. In this study we explored whether the transition from a paper-and-pencil to a computer-based test mode in a high-stakes test in China, the College English Test, has brought about variance irrelevant to the construct being assessed in this test. Analyses of the…

The purpose of this study is to develop scientific literacy evaluation instrument that tested its validity, reliability, and characteristics to measure the skill of student's scientific literacy used four scientific literacy, categories as follow:science as a body of knowledge (category A), science as a way of thinking (category B), science as a…

The Taiwanese early intervention/early childhood special education (EI/ECSE) system is modeled after the federal legislation and practices of the U.S., incorporating specific cultural beliefs in Taiwan. Nonetheless, in EI/ECSE assessments, several challenges are presented, including: (a) limited resources and funding, (b) lack of reliable and…