Answer:
This Empirical evidence can be gathered using quantitative research and qualitative research methods.
Explanation:Empirical research method conducted can be using analysed quantitative and qualitative methods.
(1)Quantitative method: It is used to opinions behaviors or other defined variables.
(2)It is used to gather numerical data methods are survey polls.
(2)Qualitative method: it is used to find opinions,meaning,underline subject from its reasons.
(2)They are focus of groups, interviews,experiments.