This paper is based on a series of previous research studies looking at the impact and development of teachers in the UK and internationally. It suggests that there is no convincing evidence, in terms of test outcomes, that some teachers are more or less effective with equivalent pupils. This is not necessarily because teachers are not…

When governments and pressure groups attend only to research that suits their political purposes, it makes a mockery of the idea of evidence-informed policy and practice. In this article, the author cites examples of research that picked up weak and misleading evidence for political purposes. The author argues that researchers are tied in to the…

Secondary analysis of datasets can extend previous work in the field, provide a greater quantity of material, and has the advantages of speed and lower cost. More use of secondary data could improve the low esteem of educational research. (Contains 15 references.) (SK)