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experimental |
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experimental emanating from or pertaining to experiment. experimental animals animals kept expressly for the purposes of conducting experiments on them. Called also laboratory animals. experimental design the method of allocating experimental units to treatment groups in an experiment; many complicated and sophisticated designs are available, e.g. balanced, unbalanced, crossover, factorial, randomized, non-random, split-plot. experimental epidemiology the study of changes effected in populations by changes made in the factors affecting their performance, behavior or health. experimental model experiment carried out using a model of a real system which contains some of the risk factors which apply in the real state; the model is a simplification of real life. experimental study a study in which all of the risk factors are under the direct control of the investigator. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The National Research Center for Career and Technical Education recently reported on an experimental study in which 57 volunteer teachers in a career and technical education program were randomly assigned to an experimental group and 74 were assigned to a control group. The only experimental study of school choice and political knowledge found no significant difference in average political knowledge levels between recipients of vouchers and comparable students in public schools. The assessment relied on data derived from an experimental study conducted using adult volunteers and designed to result in maximum hand and wipe loadings to estimate the residue-skin transfer efficiency. |
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