![]() As a result, your behaviour may play a role in producing inaccurate research results.Ĥ. Researcher error: Any facror which alters the resrcher’s interpretations.Įxample: After conducting research with five users in one day, you may not be able to ask questions properly with the sixth person since you are exhausted or lacking of energy. Here people from the same company are a factor that might lead to a participant bias.ģ. Participant bias: Any facror which produces a false response.Įxample: If you do research for your e-commerce website and recruit individuals from the same organisations, participants may be biased during the research process since they don’t want to present the negative aspects of their company. ![]() ![]() ![]() There are four big types of study-design factors:ġ.Participant error: Any facror which adversely alters the way in which a participant performs.Įxample: For instance, if you do research for your e-commerce website, older people may utilise your product differently due to low vision or other physical/cognitive impediment, therefore low vision or some physical/cognitive impediment is a factor that might lead to participant error.Ģ. Figure 1: The results is not consistent throughout the different day even though all factors are same which indicates that it has low Reliability.
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