Table 6.

Results of the application of the Wilcoxon Signed Ranks Test (Z) to find differences in emotion identification between camera angles (front, side) per each IPD.

	D1 (35 cm)	D2 (55 cm)	D3 (75 cm)	D4 (95 cm)	D5 (115 cm)
Neutral	−0.649, p = 0.516	−0.973, p = 0.330	−0.649, p = 0.516	−0.324, p = 0.746	−0.822, p = 0.411
Surprise	−1.251, p = 0.211	−0.688, p = 0.492	−0.470, p = 0.639	−0.128, p = 0.898	−0.488, p = 0.625
Fear	−0.987, p = 0.324	−0.184, p = 0.854	−2.567, p = 0.010	−0.688, p = 0.492	−0.643, p = 0.520
Anger	−0.978, p = 0.328	−0.428, p = 0.669	−1.126, p = 0.260	−0.615, p = 0.538	−0.630, p = 0.528
Disgust	−2.043, p = 0.041	−0.825, p = 0.409	−0.000, p = 1.000	−0.197, p = 0.844	−1.221, p = 0.222
Joy	−0.209, p = 0.935	−0.471, p = 0.637	−1.279, p = 0.201	−0.501, p = 0.617	−1.351, p = 0.177
Sadness	−0.625, p = 0.532	−0.240, p = 0.810	−0.954, p = 0.340	−1.132, p = 0.258	−0.646, p = 0.518
All	−0.251, p = 0.802	−0.163, p = 0.870	−1.246, p = 0.213	−0.825, p = 0.409	−1.067, p = 0.286

Significant differences in bold, being the number of correct answers higher for the front camera in both cases.