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Download full textClotfelter, Charles T.; Ladd, Helen F.; Vigdor, Jacob L. – National Center for Analysis of Longitudinal Data in Education Research, 2007
Education researchers and policymakers agree that teachers differ in terms of quality and that quality matters for student achievement. Despite prodigious amounts of research, however, debate still persists about the causal relationship between specific teacher credentials and student achievement. In this paper, we use a rich administrative data…
Descriptors: Credentials, Class Size, Teacher Characteristics, Academic Achievement
Business and Technology Education Council, London (England). – 1995
Britain's National Vocational Qualifications (NVQs) are work qualifications that measure what an employee or potential employee can do as well as how much he or she knows and understands about a particular job. Used as written proof of usable workplace skills that can be put to profitable use by an employer, NVQs range from basic Level 1, for…
Descriptors: Audiometric Tests, Biomedical Equipment, Certification, Competence
