Ilimiy is tiykarlari

The mailed questionnaire

The most common approach to collecting information is to send the questionnaire to prospective respondents by mail. Usually it is a good idea to send a prepaid, self-addressed envelope with the questionnaire as this might increase the response rate.

One of the major problems with this method is the low response rate.
Contents of the covering letter

It is essential that we write a covering letter with the mailed questionnaire. It should very briefly and we should:

• 
  Introduce you and the institution you are representing;
  
• 
  Describe in two or three sentences the main objectives of the study;
  
• 
  Explain the relevance of the study;
  
• 
  Convey any general instructions;
  
• 
  Indicate that participation in the study is voluntary.
  
• 
  Assure respondents of the anonymity of the information provided by them;
  
• 
  Provide a contact number in case they have any questions;
  
• 
  Give a return address for the questionnaire and a deadline for its return;
  
• 
  Thank the respondents for their participation in the study .
  

Collective administration

One of the best ways of administering a questionnaire is to obtain a captive audience such as

• 
  students in a classroom
  
• 
  people attending a function
  
•