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Wagemaker, Hans, Ed. – International Association for the Evaluation of Educational Achievement, 2020
Although International Association for the Evaluation of Educational Achievement-pioneered international large-scale assessment (ILSA) of education is now a well-established science, non-practitioners and many users often substantially misunderstand how large-scale assessments are conducted, what questions and challenges they are designed to…
Descriptors: International Assessment, Achievement Tests, Educational Assessment, Comparative Analysis
Ma, Lingling; Cronin, John – Northwest Evaluation Association, 2009
Virtual Comparison Groups (VCG) were developed by the Northwest Evaluation Association as an alternative to conventional controlled experiments for social science researchers working in the field of education. The VCG is generally a group of up to 51 students who are matched, based on key characteristics of the student and school, to a single…
Descriptors: Social Science Research, Comparative Analysis, Sampling, Student Characteristics