In this response to John Raven's "Diving in Where Angels Fear to Tread: Pre-Requisites to Evidence-Based Interventions," Stephen Gorard questions whether Raven's claims that researchers have created a serious threat to the entire earth, perhaps all of science, the process of education, and the field of psychology due to a lack of logic…

Social science datasets usually have missing cases, and missing values. All such missing data has the potential to bias future research findings. However, many research reports ignore the issue of missing data, only consider some aspects of it, or do not report how it is handled. This paper rehearses the damage caused by missing data. The paper…

Pupil Premium funding has been provided to schools in England since 2011, to help overcome socio-economic segregation between schools, and reduce the poverty attainment gap. Yet there is little evidence such an approach is effective. Some important stakeholders are considering whether Pupil Premium should stop or be re-routed. It is therefore…

This brief paper introduces a new approach to assessing the trustworthiness of research comparisons when expressed numerically. The 'number needed to disturb' a research finding would be the number of counterfactual values that can be added to the smallest arm of any comparison before the difference or 'effect' size disappears, minus the number of…

In this brief article, the author talks about what--other than money--works to widen higher education (HE) participation for adult learners. He also discusses the problems in trying to discover what works to widen participation for adults. One problem is that the decision to participate in any formal learning episode, including HE, is not a simple…

This paper re-considers some of the evidence for low and declining social mobility in Britain, showing that one study based on a re-analysis of cohort figures appears to have had an impact on policy-makers out of all proportion to its scale and rigor. The study claimed to show that the income of parents and children were more closely related for…

International comparisons of school effectiveness and outcomes have been used to suggest that British schools are underperforming and British students are underachieving, a view that permeated official publications in the 1990s. A review of some international studies and the difficulties of making international comparisons reveals no evidence of…

This article emerges from a recent review of evidence, conducted by the authors and others, on the lifelong barriers to widening participation in higher education in England. This has led us to a consideration of the quality and relevance of the research activity in this large field of endeavour, and to the creation of a typology of the kinds of…