3. Results
The significance level α was set at .05 for all statistical analyses. Dependent variables (DVs) were firstly analyzed with a multivariate analysis of variance (MANOVA) where luminance and illuminance were used as categorical predictors. Univariate results were also provided for each of the DVs. Means and standard deviations for each of the dependent variables are reported in Table 2. Correlation matrix is provided in Table 3. The first requirement for proceeding further into the analysis was to make sure that participants had effectively read and understood the book. The absence of wrong answers to the comprehension test (CT) validated this prerequisite.