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However, one should consider the drawbacks and disadvantages of an online survey method. The Internet is a vast virtual world that connects all kinds of people from around the globe.
For this reason, a survey that requires a hundred or more respondents can be conducted faster via the Internet.
With online surveys, the respondents are able to answer the questionnaire by means of inputting their answers while connected to the Internet.
Reliability was estimated using the internal consistency and validity was assessed using known groups comparison and convergent validity. The internal consistency (to test reliability) showed that all eight SF-36 scales met the minimum reliability standard, the Cronbach’s α coefficients ranging from 0.77 to 0.90 with the exception of the vitality scale (α=0.65).