lunes, 8 de febrero de 2016

Advantages and Disadvantages of Qualitative and Quantitative

Qualitative

Advantages:
  • It is more detailed and profound (It makes an analysis of attitudes, feelings and behaviors).
  • It is responsible for people to expand their responses to new topics that are not considered.
  • It is fixing detail and individually in the image of people, it can be built by the way they act and the feelings about these action.
  • It tries to avoid preconceptions.
Disadvantages:
  • Study fewer people.
  • Slow at the time of data collection, and this is the reason why few people are studied.
  • By the size of people studied, they can't generalize the results of the population, then they report the exact number rather than percentages.
  • It is difficult to make systematic comparisons when people give different answers and highly subjective. 
  • It must have a investigator who have strong skills, especially when doing interviews, focus groups and observations. 
Quantitative

Advantages:
  • Larger studies of people.
  • Good spread of results. 
  • It allows a great intent and accuracy of the results.
  • It is to provide summaries of the data supporting the extent of the phenomenon under study. It involves few variables and many cases.
  • It has methods used to ensure the validity and reliability. 
  • The research can be criticized, examined and compared with similar studies.
  • Personal preconceptions are often avoided by researchers. 
Disadvantages:
  • The data collected are tight and sometimes superficial. 
  • The results are restricted by numerical specifications. 
  • No frequent and detailed narrative. 
  • Investigations are in an unnatural environment. Using an artificial atmosphere that can be applied to the exercise, which gives a laboratory results compared with the results of the real world. 
  • The answer do not need to be reflect with people. 
  • The data are reflected in the opinion of the investigators that people involved. 


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