The Relationship between Personality Profiles and the Esthetic Perception of Orthodontic Appliances

Table 6

Differences in the personality traits according to the smile evaluation by laypeople in Figure 1.

Personality traits	Smile evaluation	N	Mean	Standard deviation	F	df	p	ɳ^2
Neuroticism	Ugly	2	31.50	0.71	0.84	3 318	0.472	0.008
	Neutral	87	25.38	8.02
	Beautiful	202	24.35	8.69
	Very beautiful	31	23.71	9.36
Extraversion	Ugly	2	19.00	4.24	4.85	3 318	0.003	0.044
	Neutral	87	29.62	5.68
	Beautiful	202	29.95	5.69
	Very beautiful	31	32.65	5.77
Openness	Ugly	2	26.00	1.41	3.90	3 318	0.009	0.035
	Neutral	87	28.39	5.05
	Beautiful	202	29.08	4.90
	Very beautiful	31	31.84	5.79
Agreeableness	Ugly	2	23.50	3.54	3.03	3 318	0.03	0.028
	Neutral	87	33.21	4.14
	Beautiful	202	33.44	4.69
	Very beautiful	31	33.52	5.83
Conscientiousness	Ugly	2	32.50	12.02	0.45	3 318	0.719	0.004
	Neutral	87	34.91	5.78
	Beautiful	202	34.86	5.81
	Very beautiful	31	36.00	7.05

N = frequencies; F = ANOVA; df = degrees of freedom; p = significance; ɳ² size effect.