week2 research paper

week2 research paper - limiting conditions and it is tested...

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What is a theory? What are the criteria for evaluating scientific theories? CHEN HECHENG 04-17-10 Salem International University
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What is a theory? What are the criteria for evaluating scientific theories? The word “theory” means a lot of different things. In different areas it means different things. In sciences, for instance, a theory is a concept that people use lots of experiments to prove it. It is now a common knowledge for everybody. But in other area, the theory means different things. The theory in arts refers to non-practical aspect of their work, while laypeople refer to unproven ideas and speculation as theories. (S.E. Smith 2004). A theory in generally is an analytical tool to help people to analyze and comprehend a subject. For some people, theories are just simply ideas as hypotheses. The criteria for evaluating scientific theories are a lot. For different theory, there are different criteria. First of all, a theory should be a hypothesis. The hypothesis has some
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Unformatted text preview: limiting conditions and it is tested and testable. The hypothesis that is trialed to support the scientific theory. Secondly, the hypothesis also limited, go beyond this limits, it would be a false theory. For instance, a theory that is appropriate for every field definitely not a scientific theory. In addition, scientific theories can explain known phenomena and predict some future scientific fact. Some of those criteria are differentiated for grand theories and middle-range theories but are not differentiated by type of dataqualitative or quantitativeused to develop the theory. ( Jacqueline Fawcett 2005). Last but not least, the scientific theories can be self-justification. The scientific theories are not mutually contradictory. References Jacqueline Fawcett Nursing Science Quarterly, Vol. 18, No. 2, 131-135 (2005) from http://nsq.sagepub.com/cgi/content/short/18/2/131 S.E. Smith (2004) What is a Theory? http://www.wisegeek.com/what-is-a-theory.htm...
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This note was uploaded on 02/20/2011 for the course BUS 500 taught by Professor Fogel during the Spring '10 term at Salem Intl..

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week2 research paper - limiting conditions and it is tested...

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