Answer the following questions:
(2) Define Real time online focus groups and Time-extended online focus groups? State the differences between them.
(5) What is commercial online panel? How do companies use this type of panel? Give an example.
(6) What are the disadvantages of online focus groups?
(7) What are the advantages of online depth interviews?
(8) What are the disadvantages of online surveys?
*Please put the number of each question to its answer.