Differential item functioning (DIF) can undermine the validity of cross-lingual comparisons. While a lot of efficient statistics for detecting DIF are available, few general findings have been found to explain DIF results. The objective of the article was to study DIF sources by using a mixed method design. The design involves a quantitative phase…

This paper explores how the strong policy push to improve students' results on national literacy and numeracy tests -- the National Assessment Program, Literacy and Numeracy (NAPLAN) -- in the Australian state of Queensland influenced schooling practices, including teachers' learning. The paper argues the focus upon improved test scores on NAPLAN…

Researches and educators' recognition of positive and negative effects of tests on teaching and learning activities goes back at least four decades. Although educators frequently claim that they do not want to teach to a test, the reality is that every educator wants his/her students to be successful. Decision makers, teachers, and students equate…

The impact of large-scale testing on curriculum policies at district and school levels and on science teaching at the classroom level was studied for British Columbia (Canada). Other factors affecting teaching practices were considered. In 1983, the Province reintroduced centrally set and graded province-wide examinations for grade 12, following a…

Evaluation instruments and current practices used in measuring achievement in Ontario, Canada elementary schools were examined. An analytical review of currently available achievement measures was made in relation to the objectives of "The Formative Years", a circular issued on the Ontario Minestry on Education. Results of item analyses…