Down sides of Questionnaires and Internet Experiments
Questionnaires and web trials allow doctors to reach a much wider market than classic paper questionnaires, smartphone or face-to-face interviews and is conducted by a fraction of the cost. Can make them a common tool with regards to market research and customer surveys as well as unconscious research. However , in spite of their a large number of advantages they come with some disadvantages which can undermine the validity of the effects.
One major issue is that generally there is less control over data capture than with a paper questionnaire. With a World wide web experiment the participant will be able to view stimuli on their own personal device and will also change settings such as screen size, web browser, internet connection and in many cases the standard font. Meaning that every respondent encounters a discreetly different set of questions and this can affect how they answer questions.
Another problem is questionnaire taking tiredness which can cause respondents abandoning the review. The way to avoid this is to make the questionnaire while short as is possible and only ask questions that are strongly related your research. Also you can try to randomize the order of the questions and pretest the questionnaire before performing that to ensure that all the questions are very clear and understandable.
Finally, you will need to keep in mind that Web experiments depend on voluntary contribution so they can become more susceptible to mindset confounding than laboratory trials. To counter this, you can use a web based marketplace including SONA devices (often intended for undergraduate screening at universities), internet-based.org/advantages-and-disadvantages-of-questionnaires MTurk or Legendary to sponsor participants.