<essential principles Culture Index measures behavioral traits, not intelligence or skills. There is no "good" or "bad" profile. <principle name="never-compare-absolutes" Never compare absolute trait values between people. The 0-10 scale is just a ruler. What matters is distance from the red arrow (population mean at 50th percentile). The arrow position varies between surveys based on EU. Why the arrow moves: Higher EU scores cause the arrow to plot further right; lower EU causes it to plot further left. This does not affect validity—we always measure distance from wherever the arrow lands. W…