How can I know if information presented from studies comparing different methods is valid and that the conclusions presented with those studies are accurate and valid?
A 11. We have received or seen data and comments from numerous sources which profess to evaluate and assess the accuracy and ease of use and interpretation of our Coliscan media. While we acknowledge that some directions and experience are invaluable for interpretation of the colony colors, we believe that the Coliscan methods are second to none in their usability and accuracy. In fact, well designed studies support this thesis. Unfortunately, many persons have tried to draw conclusions from inadequate data drawn from poorly designed or executed studies. A few of the commonly encountered pitfalls follow. A. The first factor is the lack of replications. Any comparative study should be based upon a minimum of 3 replications. This means that at least 3 identical samples from the same test sample should be run both on the Colican medium and on each of the other media with which it is being compared. Replications are necessary to determine the absence of operator error in following proper a
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