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Science and the Scientific Method

The scientific method has proved itself phenomenally successful in producing bodies of knowledge so reliable that much of our civilization rests on them. Wikipedia defines the scientific method as follows:

Scientific method is a body of techniques for investigating phenomena and acquiring new knowledge, as well as for correcting and integrating previous knowledge. It is based on observable, empirical, measurable evidence, and subject to laws of reasoning. All such evidence is collectively called scientific evidence.

Elements

The basis of the scientific method is the repetition of the following elements:

  • Observation
  • Hypothesis
  • Prediction
  • Experiment

The application of these elements is refined by repeating the process. The process might start as a set of observations that prompt a hypothesis. The hypothesis is used to make predictions, which are tested through experiments. Analysis of experimental results is used to refine or replace the hypothesis, guide observation, and make new predictions to be tested by new experiments. Through the repetition of this process, the hypothesis may be elevated to or incorporated into a theory.

At the heart of the scientific method is a willingness to revise one's ideas about a phenomenon in the light of findings. The process is supported by peer review, in which findings are subject to examination by others. Results must be reproducible to be scientifically valid.

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