research methods in hci

The similarities between scientific research and criminal investigation are the search for the conclusion or a cause of the effect. Both scientists and criminal investigators are specially trained in their field of practice. They tend to use similar methods of research and investigation the cause. Scientists as well as investigators both observe the surroundings, the facts, the areas involved in the research or investigations. They classify the data into categories this can be as simple as determining if it is valid or not valid. There is the use of logic, the formation of a hypothesis or a theory as to why and what has occurred. Both sides must link information together to prove their hypothesis or conclusions. Both scientists and criminal investigators work in a systemic method which seeks accurate answers, not general conclusions.

So how can you tell which is which? It's not really that difficult once you understand the basic principles. Scientific research is a type of investigation which is systemic and basis its research on scientific methods which have been used in the past, and in relation to the scientific field. This type of research can be described as well organized, methodical, and precise. Scientists begin with an idea, a theory or a hypothesis. Scientists begin with an observation or description about what they intend to study/research. From these observations they form a hypothesis to explain their subject. They use the hypothesis to predict what may happen in the course of the research. The scientist begins to experiment or run tests based on their predictions about the hypothesis. They may also collect data about their observations to show that the hypothesis is either valid or not.
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Criminal investigations begin with gathering documents and information. They begin to evaluate the facts about the events, or the crime. They use a systemic method to observe the details of the crime, as in who what where when why and how. They begin to piece things together, by assembling the facts and determining if the evidence gathered is useful or not. The hypothesis begins to form at this point which helps to link all the information gathered to the crime. The hypothesis in this sense is used to create a theory as to what happened, and the ability to define what has occurred. The hypothesis is an important part of the criminal investigation. The reason is that the investigator must prove or disprove the theory/hypothesis. Even more important for the investigator is to find the missing pieces, that are not ready available at the time. The investigator must be able to draw conclusions about the events but they must also be able to prove that the events did in fact occur.




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