Figure 9.

Experiment 3: Judged target locations from the blind walking-gesturing task. Generally, the data from the same-angular-size (filled circle) and same-physical-size (open circle) conditions cluster about an implicit slanted curve, suggesting that the perceived locations are largely determined by the intrinsic bias. However, a closer comparison between the two conditions reveals that the data from the same-physical-size condition (open circle) are shifted rightward, due to the far targets being perceived as farther than those in the same-angular-size condition (filled circle). This indicates the impact of explicit knowledge of target size (figure 2c). The filled squares from the left to right represent the data from the same-angular-size condition where the targets were placed at the eye level and at distances, 3.25, 5.0, and 6.75m, respectively.