Research Article

Accuracy and Coordination of Spatial Frames of Reference during the Exploration of Virtual Maps: Interest for Orientation and Mobility of Blind People?

Table 5

Travelled distance (TD in km after conversion of the cursor displacements to the map scale), elapsed duration (ED in sec), velocity (km/sec), number of touched beacons, and parallelism index (PI) for each participant during the investigation and memorization phases.

  TDEDVelocityBeaconsPI

Investigation
P149.0770.690.688
P2105.6961.1320.562
P3140.72050.7210.628
P461.12240.3240.785
P5175.92540.7610.61
P6199.32930.7110.604

Mean (±s.d.)121.9 (±60.9) 192 (±87)0.7 (±0.3)26.3 (±19.0)

Memorization
P182.41770.5370.414
P2111.42060.5640.259
P3136.63220.4830.436
P4166.45530.3710.543
P5230.83330.71180.217
P6430.16960.6860.422

Mean (±s.d.)192.9 (±126.8)381 (±203)0.5 (±0.1)76.5 (±26.8)