Good quality data is the foundation of a good
statistics/data analysis.
So if foundation is not strong implying that data collected
are faulty, big structures of theory built on this foundation will not be
strong.
Data collection should be conducted with a lot
of patience and perseverance
Fishing can be a suitable metaphor for data collection
process.
The process of data collection can be metaphorically linked
with fishing, requiring patience and perseverance.
But how is data collected?
The objective of data collection (study) should be clear
before the process of data collection is started.
We should clearly know what we want to study.
Then data collection is like seeking answers to right
questions asked in a right manner.
A questionnaire is a list of such questions.
Preparation of questionnaire requires lot of exercise and
theoretical knowledge of the concept on which data is collected.
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