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Many people don't want to be convinced, no matter how good the evidence and data is. They much prefer to turn away especially if it contradicts a cherished belief and particularly a religious faith. But, many others will be convinced of a theory especially when it is supported with hard evidence from observation, mathematical and scientific processes. Of course, even the good theories are open to being replaced by other related but better theories as observation and evidence accumulate over time, for instance Newton's by Einstein's, so there should always remain an element of doubt as to
whether a theory is a complete description, and that all the evidence has been gathered. Usually people won't believe the words of everyone, people commonly belief these theories because a "smart" person such a scientist will state it, and the simple reason of being a scientist gives you much more credibility. Sometimes it's the evidence from which they're derived and by which they are supported or refuted, what makes theories in natural and human sciences so convincing. For example, the television advertisement of the drink "Actimel", the supposed benefits range go from reducing the incidence of diarrhea and rhinitis reduction for young children, to improvement of the immune function in adults and seniors and reduction of duration of winter infections for elderly. But anyone could say that... the difference with this product is that there is, proof, scientific research and evidence. In the TV advertisement a guy states that 9 out 10 subjects feel the difference when consuming, but, how can we believe this statement without any proof, just because the scientist on TV says so? Hempel's philosophy of science argues that crucial tests are not sufficient enough to prove a given hypothesis or to disprove them. Hempel states what some may believe why a crucial test can prove or disprove a hypothesis'. If there are two competing hypothesis which involve the same subject and no available evidence favors one or the other, then there exists a test, which will produce conflicting outcomes for the different hypotheses. This test is the so-called crucial test would then presumably refute one hypothesis while supporting the other. Darwin's 'Theory of Evolution', for example, states natural selection. "Process by which evolutionary changes occur in living organisms over millions of years. According to Darwin's theory of
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Expert answered|sharpies|Points 7178|
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Asked 3/27/2012 3:18:52 PM
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