Figure 4. Different printed articles for participants to replicate in typing performance test

From

Effects of Light’s Colour Temperatures on Visual Comfort Level, Task Performances, and Alertness among Students

B.M.T Shamsul, C.C. Sia, Y.G Ng, K. Karmegan

American Journal of Public Health Research. 2013, 1(7), 159-165 doi:10.12691/ajphr-1-7-3