Qualitative measure is a technique of investigation that
advances understanding of human and social sciences, to discover
the way people think and feel. A technical and experimental
research technique used to make numerical data, by employing
statistical, logical and mathematical technique is called
quantitative measure. Qualitative measure is holistic in nature
while the quantitative measure is particularistic.
The qualitative measure follows a subjective approach as the
researcher is intimately involved, the quantitative measure is
objective. Qualitative research is exploratory and quantitative
measure is conclusive. The reasoning used to synthesize data in
qualitative research is inductive whereas in the case of
quantitative research the reasoning is deductive. Qualitative
measure is based on purposive sampling, where a small sample size
is selected with a view to getting a thorough understanding of the
target concept, quantitative measure depends on random sampling, a
large representative sample is chosen in order to examine the
results to the full population.
Verbal data are collected in qualitative research, in
quantitative research measurable data is gathered. Quantitative
examples: length of the tube, a mass of the sample. Qualitative
example: the materiality of metal or substance.