General chemistry tests from the Examinations Institute of the Division of Chemical Education of the American Chemical Society have been analyzed to identify factors that may influence how individual test items perform. In this paper, issues of item order (position within a set of items that comprise a test) and answer order (position of correct…

Providers of tests of languages for academic purposes generally claim to provide evidence on the extent to which students are likely to be able to cope with the future demands of reading in specified real-life contexts. Such claims need to be supported by evidence that the texts employed in the test reflect salient features of the texts the test…