The nature of the evidence assembled
The nature of the evidence assembled
This chapter discusses the conduct of education research, as well as some methodological innovations that have been proposed and used. A simple general approach to research is described; including a ‘sieve’, or a set of criteria, used to assist in the estimation of trustworthiness of any research study and the number of counterfactual cases needed to disturb a finding (NNTD). The chapter describes these and other innovations to generate evidence used in the following chapters; such as the mean absolute deviation and the Gorard segregation index. Furthermore, it presents an outline of additional research methods used in the following chapters.
Keywords: education research, methodological innovations, research approach, sieve, trustworthiness, counterfactual cases, Gorard segregation index
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