Questionnaires and web tests allow researchers to reach a much wider target audience than classic paper questionnaires, smartphone or face-to-face interviews and can be conducted by a cheaper cost. Can make them a common tool just for market research and customer studies as well as subconscious studies. However , irrespective of their many advantages offered with some negatives which can undermine the quality of the outcomes.

One major issue is that right now there advantages and disadvantages of online courses is much less control over capture data 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 may also also switch settings such as screen size, internet browser, internet connection and the default font. What this means is that each respondent experience a subtly different questionnaire and this can impact how they answer questions.

Another problem is customer survey taking fatigue which can cause respondents leaving the study. The way to avoid this is to make the questionnaire mainly because short as is possible and only ask questions that are relevant to your research. You may also try to randomize the order of the questions and pretest the questionnaire just before performing it to ensure that the questions are distinct and understandable.

Finally, you have to keep in mind that Net experiments are based on voluntary participation so they can become more susceptible to mindset confounding than laboratory tests. To counter this kind of, you can use a web based marketplace just like SONA devices (often used for undergraduate tests at universities), MTurk or Productive to get participants.