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Assessing Engineering Education with the Eye Tracking Technology-Videonystagmography Cover

Assessing Engineering Education with the Eye Tracking Technology-Videonystagmography

Open Access
|Jul 2026

Figures & Tables

Figure 1:

Screenshot of the VNG test interface showing the complete set of available ocular and vestibular assessment modules, including saccades, smooth pursuit, caloric test, optokinetic test, spontaneous nystagmus, gaze test, positional test, Subjective Mid-Point, Subjective Visual Vertical, Pupillometry, Head Impulse Test, and Video Frenzal. VNG, videonystagmography.

Figure 2:

Hardware configuration of the Balance Eye VNG system (Cyclops MedTech Pvt. Ltd.), comprising the infrared video goggles for binocular eye tracking and the processing unit for real-time recording and analysis of horizontal and vertical eye movements. VNG, videonystagmography.

Figure 3:

Experimental setup for VNG-based eye-movement recording using the Balance Eye system, illustrating the participant seated in front of the visual stimulus display while wearing infrared video goggles for real-time acquisition of horizontal and vertical saccadic eye movements under controlled laboratory conditions. VNG, videonystagmography.

Table 1:

Reliability analysis of saccadic eye-movement parameters using Cronbach’s alpha.

N%
CasesValid36100.0
Excluded00.0
Total36100.0
Reliability statistics
Cronbach’s alphaCronbach’s alpha based on standardized itemsN of Items
0.7380.84612
Table 2:

Normality assessment of saccadic latency and academic performance scores.

Tests of normality on saccades latencyShapiro–Wilk
Kolmogorov–Smirnova
StatisticdfSig.StatisticdfSig.
Saccades latency0.090360.200*0.974360.537
Tests of normality on average marksShapiro–Wilk
Kolmogorov–Smirnova
StatisticdfSig.StatisticdfSig.
Average marks0.094360.200*0.980360.742

a Lilliefors significance correction.

* This is a lower bound of true significance.

Table 3:

Pearson correlation matrix of horizontal and vertical saccadic parameters.

SHRVSHRPSHRLSHLVSHLPSHLLSVRVSVRPSVRLSVLVSVLPSVLL
SHRVPearson correlation10.679**−0.1500.823**0.448**−0.2020.508**0.357*−0.366*0.3110.230−0.403*
Sig. (two-tailed)0.0000.3830.0000.0060.2380.0020.0330.0280.0650.1780.015
N363636363636363636363636
SHRPPearson correlation0.679**10.2420.770**0.866**0.2070.426**0.474**−0.1520.426**0.363*−0.161
Sig. (two-tailed)0.0000.1560.0000.0000.2250.0090.0030.3760.0100.0290.349
N363636363636363636363636
SHRLPearson correlation−0.1500.24210.0130.380*0.892**0.0440.2840.453**0.1390.3150.511**
Sig. (two-tailed)0.3830.1560.9410.0220.0000.8000.0930.0050.4190.0610.001
N363636363636363636363636
SHLVPearson correlation0.823**0.770**0.01310.697**0.0310.456**0.450**−0.1690.364*0.380*−0.238
Sig. (two-tailed)0.0000.0000.9410.0000.8560.0050.0060.3250.0290.0220.163
N363636363636363636363636
SHLPPearson correlation0.448**0.866**0.380*0.697**10.396*0.2910.560**0.1180.395*0.577**0.066
Sig. (two-tailed)0.0060.0000.0220.0000.0170.0850.0000.4940.0170.0000.702
N363636363636363636363636
SHLLPearson correlation−0.2020.2070.892**0.0310.396*10.0240.2950.491**0.1180.339*0.495**
Sig. (two-tailed)0.2380.2250.0000.8560.0170.8880.0810.0020.4930.0430.002
N363636363636363636363636
SVRVPearson correlation0.508**0.426**0.0440.456**0.2910.02410.770**−0.1410.797**0.588**−0.155
Sig. (two-tailed)0.0020.0090.8000.0050.0850.8880.0000.4140.0000.0000.367
N363636363636363636363636
SVRPPearson correlation0.357*0.474**0.2840.450**0.560**0.2950.770**10.1180.754**0.858**0.105
Sig. (two-tailed)0.0330.0030.0930.0060.0000.0810.0000.4920.0000.0000.544
N363636363636363636363636
SVRLPearson correlation−0.366*−0.1520.453**−0.1690.1180.491**−0.1410.11810.0530.2450.938**
Sig. (two-tailed)0.0280.3760.0050.3250.4940.0020.4140.4920.7590.1510.000
N363636363636363636363636
SVLVPearson correlation0.3110.426**0.1390.364*0.395*0.1180.797**0.754**0.05310.716**0.027
Sig. (two-tailed)0.0650.0100.4190.0290.0170.4930.0000.0000.7590.0000.874
N363636363636363636363636
SVLPPearson correlation0.2300.363*0.3150.380*0.577**0.339*0.588**0.858**0.2450.716**10.179
Sig. (two-tailed)0.1780.0290.0610.0220.0000.0430.0000.0000.1510.0000.295
N363636363636363636363636
SVLLPearson correlation−0.403*−0.1610.511**−0.2380.0660.495**−0.1550.1050.938**0.0270.1791
Sig. (two-tailed)0.0150.3490.0010.1630.7020.0020.3670.5440.0000.8740.295
N363636363636363636363636

* Correlation is significant at the 0.05 level (two-tailed).

** Correlation is significant at the 0.01 level (two-tailed).

SHLL, saccade horizontal left eye latency; SHLP, saccade horizontal left eye precision; SHLV, saccade horizontal left eye velocity; SHRL, saccade horizontal right eye latency; SHRP, saccade horizontal right eye precision; SHRV, saccade horizontal right eye velocity; SVLL, saccade vertical left eye latency; SVLP, saccade vertical left eye precision; SVLV, saccade vertical left eye velocity; SVRL, saccade vertical right eye latency; SVRP, saccade vertical right eye precision; SVRV, saccade vertical right eye velocity.

Table 4:

Independent sample t-Test results comparing saccadic eye-movement parameters by gender.

Levene’s test for equality of variancest-Test for equality of means
FSig.tdfSig. (two-tailed)Mean differenceStd. error difference95% confidence interval of the difference
LowerUpper
SHRVEqual variances assumed913.3630.00015.20953370.00026.008781.7100522.6563929.36117
Equal variances not assumed14.6353,665.9880.00026.008781.7771522.5244829.49307
SHRPEqual variances assumed250.4210.0007.4715,3370.0002.284990.305861.685382.88460
Equal variances not assumed7.2123,813.8230.0002.284990.316851.663792.90619
SHRLEqual variances assumed45.0240.000−18.6835,3370.000−17.279870.92492−19.09309−15.46666
Equal variances not assumed−18.5144,979.9060.000−17.279870.93332−19.10958−15.45016
SHLVEqual variances assumed357.3250.00026.2365,3370.00044.133961.6821840.8362047.43172
Equal variances not assumed25.4414,025.2620.00044.133961.7347740.7328547.53507
SHLPEqual variances assumed842.8190.0009.7955,3370.0003.858160.393883.085994.63033
Equal variances not assumed9.3493,305.8470.0003.858160.412693.049004.66732
SHLLEqual variances assumed270.5820.000−6.8515,3370.000−7.041831.02782−9.05677−5.02688
Equal variances not assumed−6.7444,718.0120.000−7.041831.04409−9.08874−4.99491
SVRVEqual variances assumed273.2690.000−2.6715,3370.008−4.915811.84023−8.52342−1.30820
Equal variances not assumed−2.6144,450.1200.009−4.915811.88068−8.60288−1.22874
SVRPEqual variances assumed416.6450.000−0.7515,3370.453−0.273020.36367−0.985960.43991
Equal variances not assumed−0.7243,756.5420.469−0.273020.37719−1.012550.46650
SVRLEqual variances assumed6.1810.0138.2385,3370.00010.499691.274538.0010912.99829
Equal variances not assumed8.2055,138.2820.00010.499691.279737.9908813.00850
SVLVEqual variances assumed18.5190.000−8.6085,3370.000−14.379281.67038−17.65391−11.10466
Equal variances not assumed−8.6515,313.7660.000−14.379281.66219−17.63785−11.12072
SVLPEqual variances assumed223.7090.0007.7775,3370.0003.617820.465212.705814.52983
Equal variances not assumed7.5814,277.2980.0003.617820.477202.682254.55339
SVLLEqual variances assumed33.7080.000−2.4045,3370.016−3.222441.34057−5.85049−0.59438
Equal variances not assumed−2.4095,279.1450.016−3.222441.33751−5.84452−0.60035

[i] SHLL, saccade horizontal left eye latency; SHLP, saccade horizontal left eye precision; SHLV, saccade horizontal left eye velocity; SHRL, saccade horizontal right eye latency; SHRP, saccade horizontal right eye precision; SHRV, saccade horizontal right eye velocity; SVLL, saccade vertical left eye latency; SVLP, saccade vertical left eye precision; SVLV, saccade vertical left eye velocity; SVRL, saccade vertical right eye latency; SVRP, saccade vertical right eye precision; SVRV, saccade vertical right eye velocity.

Figure 4:

Time-domain representation of horizontal saccadic eye movements for both the right and left eyes, showing the relative positions of the visual target (green trace), right eye foveal position (red trace), and left eye foveal position (blue trace), highlighting saccadic latency and accuracy during target shifts.

Table 5:

Linear regression analysis of saccadic latency measures as predictors of academic performance.

Saccade parameterαβRR2FPIndicator
Horizontal saccade latency (R)−0.10144.5100.3340.1124.2680.047Significant
Horizontal saccade latency (L)−0.07140.6040.2450.062.1750.149Insignificant
Vertical saccade latency (R)−0.11746.1690.5060.25611.6960.002Significant
Vertical saccade latency (L)−0.10645.3580.4960.24611.0890.002Significant
Language: English
Submitted on: Jul 14, 2025
Published on: Jul 16, 2026
Published by: International Journal on Smart Sensing and Intelligent Systems
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2026 Sandhya Dass, Sultan Ahmad, A. V. Prabu, Hikmat A. M. Abdeljaber, H. S. Ramananda, published by International Journal on Smart Sensing and Intelligent Systems
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.