Questionnaires can be a simple way to get to know your audience’s opinions. Though it
is easy to write a questionnaire, you need a lot of skill and experience to write a good one. Luckily, good design skills can be learned in a short time.
...... In a word, taking the time to develop a well-designed and participant “friendly
questionnaire will give you useful data that can help you make the right decisions. 1.The questionnaire contains following elements except______？