. Author manuscript; available in PMC: 2019 Dec 1.

Published in final edited form as: Dev Psychol. 2018 Oct 18;54(12):2240–2247. doi: 10.1037/dev0000588

Table 2. Perceptual thresholds and plateau sensitivity for each emotional expression.

Confidence intervals estimated by the bootstrap method (N = 10,000).

Parameter	Emotion	Estimate	2.5% CI	97.5% CI	Interpretation
Perceptual threshold (% intensity, 0-100)	Happy	40.86	37.08	45.11	H = F = A
	Fearful	37.37	33.95	40.79
	Angry	35.82	33.57	38.21
Plateau sensitivity (z-score)	Happy	2.87	2.65	3.16	F < A < H
	Fearful	1.60	1.49	1.76
	Angry	1.96	1.85	2.08