-- Different levels of culture and education. They...

-- Different levels of culture and education. They cause varying degrees of knowledge and abstract thinking, respectively, and the specificity of the logic of reasoning. The same concepts have different degrees of generality and different meaning for different people. The perception of a concept by researcher and Respondent can be different.
The level of culture and education determines and linguistic freedom. People different said in the narrow circle of his companions and to a wider audience, in front of strangers. Some feel awkward, others speak at length, without embarrassment. I guess everyone felt that speaking at any meeting, it is not always a cozy feeling when you sent dozens of eyes waiting for what you say. The questionnaire is essentially the same public statement, which requires a certain ability to articulate their thoughts, to Express them so that you understand. This is especially true of open-ended questions. The analysis of respondents ' answers to the open questions clearly shows the level of education and culture, and the ability to Express their thoughts. Sometimes it becomes so bad that for a long time puzzled what the Respondent wanted to say that it offers or that is critical. Perhaps the inability to Express their thoughts is one of the reasons why quite a lot of respondents prefer not to answer open questions or answer very briefly (in two or three words).