Abstract
Quasi-experimental research methods widely used in health and social science research are often used to make causal inferences. Yet (with certain exceptions, for example, the regression discontinuity design, Cook and Campbell, 1979) their designs are often not...
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CITATION STYLE
APA
Torgerson, D. J., & Torgerson, C. J. (2008). The Limitations of Before and After Designs. In Designing Randomised Trials in Health, Education and the Social Sciences (pp. 9–16). Palgrave Macmillan UK. https://doi.org/10.1057/9780230583993_2
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