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Changes in Females? and Males? Positive and Negative Moods As a Result of Variations in CCT, CRI and Illuminance Levels
Igor Knez
PhD, Royal Institute of Technology, Centre for Built Environment, Laboratory of Applied Psychology
Box 88, S-801 02 Gävle, Sweden
ABSTRACT
Knez (1995a) reported two experiments on the indirect, non-visual, psychological effects of the office lighting which varied correlated colour temperature (CCT), colour rendering index (CRI), illuminance and gender ?in a factorial, between-subject, experimental design (Kirk, 1968). The separate analyses of these experiments did not, however, enable a conclusive interpretation of the CRI parameter?s impact on subjects? emotional state. As a follow-up analysis, the present paper synthesised statistically the experiments reported in Knez (1995a) into one experiment. This revealed several new results, showing a combined impact of the CCT, CRI and illuminance parameters on females? and males? positive and negative mood.
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