Affective state at the end of each test cycle
POSITIVE
Two-factor r-ANOVAs were conducted separately for the positive and negative affect dimensions of the PANAS, which were scored five times at the end of each test cycle. Neither the interaction nor the main effect of the light intervention reached significance for the positive affect state (interaction: Positive and negative affect state and perceived workload (NASA TLX). Note: means and 95% confidence intervals of the means are shown.We did not find a significant result for the PANAS dimension of negative affect (interaction: 