Likert scale vs visual analog scale for assessing facial pleasantness.

Introduction: This study aimed to compare the 2 most commonly used methods for assessing facial pleasantness, the Likert scale and the visual analog scale (VAS).

Methods: For assessing facial pleasantness, an album was assembled containing the front and profile view facial photographs of 10 patients (5 females, 5 males) who sought orthodontic treatment representing each of the different sagittal and vertical facial discrepancies (straight profile, convex profile, concave profile, long faces, and short faces). The facial pleasantness of the patients was judged by 3 groups of 90 evaluators (47 females and 43 males): 30 orthodontists (mean age, 32.