“I profess to learn and to teach anatomy not from books but from dissections, not from the tenets of Philosophers but from the fabric of Nature.”
(William Harvey, 1628)
An important step in research is the collection of data. It represents a systematic process to measure the information available for a variable of interest. The accuracy of an appropriate process of data collection enables the researcher to test hypotheses, and to evaluate the result of experiments under known parameters.
