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On Qualitative and Quantitative Research Processes

8/20/2017

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Quantitative and qualitative processes are named as such primarily due to the type of data they chiefly collect.  In the quantitative research process, the researcher is paramountly concerned with the collection of information which is more objectively quantified.  That is to say, quantitative data is data which can be measured using objective, uniform, and universal units.   Those sciences known as ‘hard’ sciences are chiefly concerned with such measurements.   Traits such as height, length, time, etc. - which can be measured using recognized units - are good examples of quantitative data.  In contrast, qualitative data is that which is less easily - or at least less objectively - assigned a numerical value.   Emotional responses, attitudes, and values, for example cannot be described using a numerical value system alone; any numerical value system utilized to describe or measure such things, must be carefully described by the user and applied in highly contextual circumstances.   To a large extent the ‘soft’ sciences are so called because they are heavily dependent on this sort of data collection.  
​Creswell describes quantitative data collection processes to be more close-ended (p. 19).  That is to say, there are pre-defined outcomes (values) to responses.  In the case of the ‘hard’ sciences, such pre-defined outcomes may be recognized frequently as the measurements of units, themselves.  However, when quantitative methods are applied to ‘soft’ sciences, these pre-determined outcomes take on the form of categories which have been defined by the researcher.  Qualitative research, in contrast,  is open ended.  The research concerns themselves chiefly with information that is difficult to apply numerical values to, or - as is frequently the case - is even able to predict potential outcomes.  Consequently, the researcher is  relegated to post-facto interpretation of results.  

Creswell, J. W. (2002). Educational research: Planning, conducting, and evaluating quantitative (pp. 146-166). Upper Saddle River, NJ: Prentice Hall.
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6/19/2022 08:06:18 am

Thanks ggreat blog

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