Ergonomics
Issues with subjective questionnaires? Subjective questionnaires in the collection of information are said to lack external validity. This is because they tend to limit the respondent’s feedback to the confinement of the specific details that whoever constructed the questionnaires wants. This type of questionnaires may not give accurate findings if not carefully constructed because they might enquire information which the respondent is not willing to answer due to personal and private reasons and this might yield false feedback or reluctance to respond. They subject the respondent to what they ought to answer and limit the information gathering scope ( ...
