Would small data help accomplish what is called Good Data in education? Education systems around the world use big data such as standardized tests, school inspections and surveys to measure learning outcomes. Pasi Sahlberg believes that good education must be evaluated from a variety of evidence which includes both the quantitative and the qualitative. He argues that in order to understand how well schools are doing, we also need to collect “small data” using teachers’ and students’ “observations, assessments and reflections” of the teaching and learning processes in classrooms. 

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