This is an interesting and relevant point. I consider you refer to international scale of study. I am from Hungary, living in Finland so I looked up research focusing on Europe - I take a case-study approach: COVID-19 . Please see the methodology-sections:
Article Global, regional, and national estimates of the population a...
Everything depends on the approach of the research: whether it employs a quantitative, qualitative or mixed - method. I used often qualitative - case study approach, sending open-ended questions to organizations in different countries.
This is an interesting and relevant point. I consider you refer to international scale of study. I am from Hungary, living in Finland so I looked up research focusing on Europe - I take a case-study approach: COVID-19 . Please see the methodology-sections:
Article Global, regional, and national estimates of the population a...
Everything depends on the approach of the research: whether it employs a quantitative, qualitative or mixed - method. I used often qualitative - case study approach, sending open-ended questions to organizations in different countries.