摘要：Recently,inspirational articles on research methodology have been written on the development of the mixed-methods approach.This area of study concerns methodological trends in the construction of research designs.One may ask,whether it is possible to construct a notional piece of investigation,potentially highlighting a research design that successfully seeks to identify a causal mechanism.The purpose of the current study is to consider how to construct a research design that would illustrate the application of methodological ideas in the context of educational research,such as school education and learning.This study produces three dimensions of causal mechanism: a horizontal dimension (chain length),a vertical dimension (possibilities of different variations),and tentatively a hypothetical causal network dimension (including context factors).
