Q: What is an operational methodologies in research method?

It is a little difficult to provide a meaningful answer without any background on your field of research. Operational methodologies could simply mean how a device or technique is operated. Meanwhile, in psychology, operational methodology is a specific method for studying the human mind. In industry or business research, it could refer to how certain systems are operated. In the field of operations research, methodologies entail formulation or definition of the problem, analysis, and interpretation.

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