A simple, unipolar check on visual attractiveness — beautiful, pretty — across three items.
7-point Likert (1=strongly disagree, 7=strongly agree)
Hagen, L. (2021). Pretty Healthy Food: How and When Aesthetics Enhance Perceived Healthiness. Journal of Marketing, 85(2), 129–145.
Free access to 2178+ psychometric scales at PsychScales