This paper offers a scenario for how educational assessment might change in response to market forces that affect not only the future of large-scale testing but also society in general. The scenario divides into three generations distinguished by the purpose of testing, test format and content, and the extent to which testing capitalizes on new…

The idea that validity should be considered a property of inferences, rather than of assessments, has developed slowly over the past century. In early writings about the validity of educational assessments, validity was defined as a property of an assessment. The most common definition was that an assessment was valid to the extent that it…