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  • Expert system vs google search

Expert system vs google search

Google search

Advantages
  • Different opinions (different sources)
  • Quicker!
  • More options available.
  • Can find information in a variety of formats, ranging to simple and easier to read, to complex and technical. 
  • Gives an almost unlimited number of cases for symptoms, (each condition is almost guaranteed to be found using Google.  
  • Using google, you can directly enter in more specific symptoms  to find the diagnosis as quickly as possible. 




Disadvantages 
  • Can potentially provide unreliable information, such as from Wikipedia. 
  •  Information or advice can vary greatly, potentially causing confusion.
  • There can be too much too see on google, overwhelmed from information. 
  • Doesn't give results specific to you, so if an old person is feeling dizzy the procedures could be different to a baby. 
  • Can give completely unnecessary information, such as the what dizziness is, (i'm pretty sure you'd know what it is if you were looking it up!)  



NHS symptom checker

Advantages
  • Expert advice
  • Tailored for you, takes age/weight into account
  • Asks questions specifically for your symptoms, and makes a judgement according to how you answer. 
  • 100% trust worthy.
  • Gives you clear advice regarding what to do, in a simple format.  
  • An expert system would most likely have a further means of contact, such as telephone, making things even more personal.








Disadvantages 
  • Only one opinion available. 
  • Takes a long time to be diagnosed.
  • Options are limited, e.g. on the NHS system, there are only roughly 40 possible symptoms, but is this really there are definitely more problems a person can encounter. 
  • NHS requires personal information, such as address and date of birth, this could affect people and put them off using the service. 
  • Sometimes expert systems aren't always the answer, such as someone wanting herbal treatments as a pose to conventional methods. 
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