Download A Beginner's Guide to Scientific Method , 4th Edition by Stephen S. Carey PDF

By Stephen S. Carey

This concise but complete advisor presents an advent to the medical approach to inquiry. you won't merely find out about the correct behavior of technology but in addition the way to realize and query components resembling pseudoscience, untestable motives and fallacies. Compact sufficient for use as a supplementary e-book, but complete adequate in its assurance for use as a middle e-book, this publication assists clients in utilizing the medical way to layout and verify experiments.

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Thus, aspirin reduces the clotting effect that can lead to serious heart attack. 2 A friend applied for a job she really wanted to get. Yet now she tells us she finds the job utterly uninteresting and probably wouldn’t accept it even if it were offered to her. Why the change in attitude? We discover subsequently that our friend learned she had no chance of getting the job. But how, if at all, did this bring about her change in attitude about the job? The answer may well lie in a causal mechanism, often called cognitive dissonance reduction, that makes people cease desiring that which they cannot get; you may be familiar with this mechanism under its more common name, sour grapes.

Finally, advocates of such claims are often unaware of the extent to which their beliefs are in disagreement with established scientific theory. Suppose, for example, someone claims to be able to levitate. This claim is controversial precisely in that though there is actually some evidence for levitation—photographs and the apparently sincere testimony of people who claim to have levitated—the evidence is limited. Moreover, if levitation is possible then our current understanding of how and where gravity operates will have to be revised unless we are prepared to postulate some undiscovered force of sufficient magnitude to counteract gravity.

In fact, there is now evidence that many of the earliest crop circles were man-made. Several people have admitted to having made the circles and have since demonstrated to the British media how to make them in a fairly short period of time with no special equipment or tools. (See Nickell and Fischer, “The Crop Circle Phenomenon,” Skeptical Enquirer, v. 16, no. ) For a detailed explanation of curious events in the Bermuda Triangle, see The Bermuda Triangle Mystery—Solved, by Lawrence Kusche. ) Copyright 2010 Cengage Learning.

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