Table 5.

Reliability of measurements in research settings with healthy adults.

	Repeated measure reliability
	ICC(3,1) [CI95%]
	All measures (N = 85, n = 17)	From 4th measure onward (N = 34, n = 17)
VISUAL RECOGNITION TASK (TASK 1)
Visual processing	0.838† [0.717–0.927]	0.856 [0.713–0.940]
Central processing	0.420† [0.221–0.665]	0.477 [0.181–0.740]
Peripheral processing	0.892 [0.803–0.953]	0.938 [0.867–0.975]
Dual task response	0.594† [0.397–0.790]	0.587 [0.309–0.806]
CENTRAL CUE ATTENTION TASK (TASK 2)
Executive response with orientation gain	0.561† [0.361–0.769]	0.697 [0.441–0.859]
MOVEMENT DETECTION TASK (TASK 3)
Movement detection with attention shift	0.879† [0.782–0.947]	0.959† [0.911–0.984]
SPATIAL MEMORY TASK (TASK 4)
Spatial working memory	0.540 [0.338–0.754]	0.792 [0.602–0.911]
Distance to first cue	0.460 [0.259–0.697]	0.556 [0.271–0.788]
Distance to last cue	0.445 [0.244–0.685]	0.409 [0.109–0.695]
MedDrive score	0.852† [0.740–0.934]	0.911 [0.814–0.929]

ICC (3,1) is the intra-class correlation coefficient using 2-way mixed single measures. ICC ranges from 0 to 1; 0 showing no ability of the measurement to distinguish individuals one from another with a single measurement, and 1 revealing an optimal ability to clearly distinguish all individuals using a single measurement.

^†Significant session effect was observed (p < 0.05).