How aesthetic features convey the concept of brand premiumness

When do aesthetic properties convey the concept of premiumness? Is symmetry tied to the perception of premiumness due to symmetry's evolutionary association to quality, an association not present with other aesthetic features like curvature? Usually, symmetry and curvature are preferred features. However, preference itself may not suffice to evoke premiumness. With this in mind, we predicted that symmetry (vs. asymmetry) and high(vs. low)...