| Empirical Evidence |
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The researcher attempts to describe accurately the interaction between the instrument (which may be as simple as the human eye) and the entity being observed. If instrumentation is involved, the researcher is expected to Calibrate her/his instrument by applying it to known standard objects and documenting the results before applying it to unknown objects. In practice, the accumulation of evidence for or against any particular theory involves planned Research Design s for the collection of empirical data. Several Typographies for such designs have been suggested, one of the most popular of which comes from Campbell and Stanley (1963). They are responsible for popularizing the widely cited distinction among pre-experimental, experimental, and quasi-experimental designs and are staunch advocates of the central role of randomized experiments in Educational Research . HALLMARKS OF SCIENCE The main distinguishing characteristics of , Generalizability , and Parsimony . SEE ALSO EXTERNAL LINKS |
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