Fig. 10From: IoT + AR: pervasive and augmented environments for “Digi-log” shopping experienceResults of the usability evaluation survey. The Wilcoxon test for paired samples showed a statistically significant difference between the GUI and IoT + AR interface on all categories (Z values are − 3.2014, − 3.5752, − 3.5399, − 3.5706, − 3.5502 from the left, and the P value is less than 0.05 in all comparative samples.)Back to article page