Table 1. Scores for pictures with and without glasses.

The difference here represents the mean difference in rated scores with and without glasses for the same person, in the three domains.

		Without glasses: mean (SD)	With glasses: mean (SD)	Difference (95% CI)	t	df	P-value
First male	Attractiveness	8.08 (1.24)	6.68 (1.75)	1.40 (1.23-1.56)	16.67	516	<0.001
	Confidence	8.07 (1.16)	6.33 (1.78)	1.75 (1.57-1.92)	19.73	516	<0.001
	Intelligence	8.14 (1.34)	8.02 (1.63)	0.11 (-0.02-0.25)	1.63	516	0.104
Second male	Attractiveness	8.27 (1.33)	6.71 (1.81)	1.56 (1.39-1.74)	17.40	516	<0.001
	Confidence	8.18 (1.30)	6.26 (1.79)	1.92 (1.74-2.11)	20.17	516	<0.001
	Intelligence	8.28 (1.34)	8.10 (1.64)	0.17 (0.03-0.31)	2.44	516	0.015
First female	Attractiveness	8.97 (1.21)	6.74 (1.80)	2.23 (2.05-2.40)	24.88	516	<0.001
	Confidence	8.74 (1.35)	6.42 (1.94)	2.33 (2.14-2.52)	24.04	516	<0.001
	Intelligence	8.76 (1.36)	8.06 (1.54)	0.70 (0.56-0.84)	9.76	516	<0.001
Second female	Attractiveness	8.52 (1.31)	6.56 (1.87)	1.97 (1.79-2.14)	22.51	516	<0.001
	Confidence	8.44 (1.88)	6.16 (1.88)	2.28 (2.09-2.47)	23.75	516	<0.001
	Intelligence	8.52 (1.29)	8.05 (1.71)	0.47 (0.34-0.62)	6.34	516	<0.001