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One way to get valid and reliable data is to create a questionnaire with a list of statements about a topic. In questionnaires, respondents are asked to give their answer on a five-point Likert scale. The list of statements is supposed to measure a construct. To statistically test whether the construct has been measured correctly, a form of factor analysis is performed. And to test whether the construct has been reliably measured, Cronbach's alpha must be calculated.
This, in a nutshell, is the essence of why factor analysis should be applied and Cronbach's alpha should be calculated. You can read all about it, including wrong visions about this, in our paper.
Our high quality papers cost € 4.95 each.
Our goal is to teach you how to conduct good research.
Because:
Good research provides you with better information.
With better information, you can make better decisions.
With better decisions, you can create a healthier, wealthier and freer world,
for people, fauna and flora, for current and future generations.
That is why I think it is important that you know how to do your research well.