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The Effects of Lighting Design on Mood, Attention, and Stress

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The Effects of Lighting Design on Mood, Attention, and Stress ( the-effects-lighting-design-mood-attention-and-stress )

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21 0 -0.5 -1 -1.5 -2 -2.5 -3 Depression-Dejection SAD Control Blue Figure 7: Depression-Dejection POMS Subscale by Light Condition This graph shows the change in reported Depression-Dejection on the Profile of Mood States Short Form (POMS-SF) across three lighting conditions. The difference scores shown here were obtained by subtracting the post-light session Depression-Dejection POMS score from the pre-session score. Negative scores indicate a lower reported feeling of Depression-Dejection. The lighting conditions included one bright, white light (SAD), one dim, warm light (Control), and one dim, blue light (Blue). The error bars reflect the standard error of the mean. A one-way ANOVA indicated that Depression-Dejection was not significantly different across light condition, F(2,10) =0.089, p =.92. As shown in Figure 7, the numeric pattern of the data indicates that the control condition was slightly less effective at reducing reported depressive mood than the SAD or blue light conditions, as one would expect if the SAD and blue light conditions were effectively reducing the symptomology of SAD (means: SAD = -1.36; Control = -1.18; Blue =-1.63). Change in Reported Depression- Dejection

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