Tuesday, June 5, 2012

Design an experiment involving Pepcid and Gaviscon to investigate which is better at relieving excess stomach acid.

In any scientific investigation, you must first pose a
question or problem. In this case it would be, which drug is better at relieving excess
stomach acid, Pepcid or Gaviscon? Next, you will gather information about each drug, and
come up with a hypothesis. It is a statement about what you think the answer to your
question is. An example of a hypothesis could be, Pepcid will relieve stomach acid
better than Gaviscon. You are now ready to test your hypothesis. A large sample of
diverse people of various ages, both males and females should be used. The larger the
sample, the more valid your research will be. Since the variable you are testing is the
drugs' effectiveness against stomach acid, you will need a control group in your
research study, who won't get any drugs. They will receive a placebo. They are there for
comparison. It should be a blind study and no one should be told what group they are in.
During the duration of the trial you will have to keep a good record of data for all
three groups.  The data would be how many episodes of excess stomach acid the group
members had during the duration of your trial. You can collect data each day for all
three groups. At the end of the trial, you can analyze any data tables, charts or graphs
your research has generated and come up with a conclusion. You will either accept or
reject your hypothesis. If your data supports your hypothesis, several more trials need
to be conducted for it to be considered valid research.

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