Fig. 4From: How to optimize switch virtual keyboards to trade off speed and accuracyIn a binary cursor path, the cursor segments the keyboard into remaining halves. The user triggers the switch to select the keyboard half that contains the target. The selected region is then halved again for an additional selection. The process continues until the cursor is on the target key. In the example shown, the user is guiding the cursor toward the “*” key, and three more cursor steps and two more switch selections from the user are requiredBack to article page