Questionnaires

These ask people to give written answers to pre-written questions. there are close ended and open ended questions.

Practical strengths

• quick and cheap way to gather large amounts of representative data
• no need to recruit and train interviewers
• data is normally easy to quantify

Practical limitations

• data is often limmited and superficial, this is becuase most Q's are brief
• it may be necessary to offer insentives such as money
• with postal and emailed questionnaires we can never be sure whether an unreturned questionnaire was ever given to the respondant
• we dont know if the inted recipient answered the Q's
• Very low response rate
• they…