COMPARING QUALITATIVE & QUANTITATIVE RESEARCH TRADITIONS
'Worldview' , 'Paradigm', 'epistemologies and ontologies', or 'broadly conceived research methodologies' - are quite synonymously used in the field of research. The researcher depending on his field of study and past experiences acquired through researches choose one of the worldview or paradigms to conduct his work. The four most widely used research methodologies are - post-positivism, constructivism, transformative and pragmatism.
Logical - positivism and Phenomenological inquiry are the two prominent research methodologies or paradigms. The former one is the scientific one, most used as it includes statistical analysis and scientific assessment, referred to as Quantitative research method. The other one is more focused on detailed interpretation of phenomena, or qualitative analysis.
The Post-positivism or the so called 'scientific method' uses the technique experimentation to test the hypotheses and involves elementary manipulation, controlling of variables and statistical analysis to claim the knowledge while studying living organism's behavior. This research method is widely summoned as 'Quantitative method'. The Quantitative method is more based on a universal cause-effect relation which makes it more goal oriented, conceptual and includes proper design. This research paradigm involves prediction, hypotheses testing, statistical analysis and involves standardized tests.
The 'Social Construction of Reality' (Berger and Luckmann; 1967) and Guba's (1985) 'Naturalistic Inquiry' are ideas behind the next paradigm. Social-constructivism or Phenomenological inquiry approaches towards Qualitative research method. The main emphasis here, is to gain 'as much as' knowledge about the participant's view-point of the situation. Whereas, in Qualitative research approach there is null knowledge about things-in-themselves. It encompasses grounded theory, understanding natural behavior and observation of the target population in real life settings. This paradigm is flexible and can be altered or modified at any point of the study. Also, unstructured in nature. The open-ended questions must be framed in a way, so as to gather a clear view about the lifestyle and a broader or generalized fact.
In case of Quantitative research, the data is collected usually in laboratory setting. Whereas, in case of Qualitative research study the data is collected in natural setting, where the phenomenon has taken place and the researcher is present during data collection ensuring a good relationship with the subjects.
In Quantitative approach, the Independent variable is manipulated by the experimenter. For Qualitative approach, the Independent variable is already exposed to the subjects.
Quantitative research is done following random sampling , in case of Qualitative research it is not possible to assign samples following random sampling methods.
To sum up all the points:
References:
Best, J. W., & Kahn, J. V. (2016). Research in education. Pearson Education India.
Creswell, J. W. (1999). Mixed-method research: Introduction and application. In Handbook of educational policy (pp. 455-472). Academic Press.