The research question has been answered, as the findings of the experiment showed that the frame rate frequency for colour change at which discomfort occurred was 3.10 Hz. This is an interesting finding that could lead to a recommendation for colour changing lighting applications. Architects, lighting designers or electrical engineers could benefit from this recommendation for the future design of a related project.rnThe value also seems to be similar to the recommendations for discomfort caused by flickering in tunnel lighting. In such cases, the luminaires have to be spaced in a way that frequencies of between 2 and 15Hz are avoided, otherwise drivers might suffer sensitivity that could affect concentration.13rnIn addition, it was found that the other factors discussed in Section 2 above (composition of different colours, colour harmony, black separation between colours etc.) did not appear to have a significant effect on the point that stimulation or discomfort occurred. The only exception was the participant's age, where indications were found that older people are likely to be more sensitive to discomfort caused by colour change. This could also lead tornrelevant recommendations for colour changing lighting applications, according to the 'target' age group of the application.
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