Fig. 5

Visual analog scale scores of subjective feelings under the two types of combined lighting. Only scale scores of adjective phrase pair with significant main effects of lighting type (hot and cool) and of age (sleepy and awake) are shown. Data are least-square means and the standard error of the means (error bars) adjusted for the effects of experimental order. * P <0.05: The significance of difference between the low-low and high-low combined lightings within each age group