What corpus linguistic techniques or methods been used?Discuss

In this examination task, you should reflect upon the usage of corpus methods in Linguistics by reading two articles:
1. Aijmer: ‘You’re absolutely welcome, thanks for the ear’: The use of absolutely in American soap operas
2. Berglund Prytz: Refugee or Migrant? what corpora can tell? Use the following questions as a guideline:
1.What is the aim/research question/s? Are these answered?
2.What corpus linguistic techniques or methods been used?
3.Could any other methods & theories have been used to better answer the questions/reach the aim?
4.Your reactions to the studies (topics, results, presentation, etc.)