Table 1.

Summary of group performance (sum of information transmitted at 11 letter positions [−5 to 5]) for each task and text format (mean ± standard error).

	Horizontal	Rotated 90° clockwise	Rotated 90° counterclockwise	Marquee
Isolated letter	50.76 ± 0.06	50.07 ± 0.26	49.85 ± 0.31	49.80 ± 0.21
Visual span, normal direction	46.06 ± 0.56	34.77 ± 1.13	36.11 ± 1.21	33.22 ± 0.86
Visual span, reversed direction	45.41 ± 0.88	34.63 ± 1.06	33.99 ± 1.01	34.09 ± 1.02