What are the Advantages and disadvantages of Interview?

  Very good technique for getting the information about the complex, emotionally laden subjects.  Can be easily adapted to the ability of the person being interviewed.  Yields a good percentage of returns.
 Yields perfect sample of the general population.
 Data collected by this method is likely to be more correct as compared to the other methods that are used to investigate issues in an in depth way for the data collection
 Discover how individuals think and feel about a topic and why they hold certain opinions
 Investigate the use, effectiveness and usefulness of particular library collections and services
 Inform decision making, strategic planning and resource allocation
Sensitive topics which people may feel uncomfortable discussing in a focus group
 Add a human dimension to impersonal data
 Deepen understanding and explain statistical data.

Disadvantages of interview

 Time consuming process.
 Involves high cost.
 Requires highly skilled interviewer.
 Requires more energy.
 May sometimes involve systematic errors.
 More confusing and a very complicated method.

 Different interviewers may understand and transcribe interviews in different ways.