A sales software company decides to find out how their products are being used and sold. They approach five different sales executives who use their software and interview them. In order for executives to agree to the interviews the company provides a large cash incentive. They conduct the interviews, receive the information and pay the executives their incentives. This is an example of what disadvantage of the in-depth interview method?

a. interviews were expensive to conduct
b. interviews were difficult to collect the data from
c. interviews might have been subject to groupthink

In-depth interviewing is a kind of research regarding the quality which involves conducting an intensive interview. Only less number of people will be involved in this in-depth interview. They will be given some particular situation or program to explore about its perspectives.

Actually in-depth interview is very expensive to conduct. To conduct an in-depth interview, the company hires some sales executives and these executives start researching and gather report about the product of the company. The gathered information is then submitted to the company for which these executives were paid high incentives.