Table 2.

Summary of statistical analysis comparing pre- and posttests.

Item	Visual field	Pretest	Posttest	t(5)	p
Training group
Visual span size (bits)	Trained	M = 29.93, SD = 2.00	M = 35.36, SD = 2.00	−6.66	<0.001
	Untrained	M = 27.85, SD = 2.18	M = 32.74, SD = 2.18	−5.48	0.0014
Reading speed, ordered (wpm)	Trained	M = 219, SD = 62.7	M = 308, SD = 62.7	−3.51	0.0086
	Untrained	M = 184, SD = 46.3	M = 248, SD = 46.3	−3.41	0.0095
Reading speed, unordered (wpm)	Trained	M = 186, SD = 30.7	M = 218, SD = 30.7	−2.61	0.024
	Untrained	M = 171, SD = 31.6	M = 186, SD = 31.6	−1.21	0.14
Control group
Visual span size (bits)	Lower	M = 32.56, SD = 1.57	M = 33.04, SD = 1.57	−.75	0.49
	Upper	M = 30.53, SD = 1.09	M = 31.00, SD = 1.09	−1.05	0.34
Reading speed, ordered (wpm)	Lower	M = 228, SD = 41.1	M = 237, SD = 41.1	−.51	0.32
	Upper	M = 174, SD = 61.3	M = 216, SD = 61.3	−1.66	0.079
Reading speed, unordered (wpm)	Lower	M = 158, SD = 26.5	M = 171, SD = 26.5	−1.19	0.14
	Upper	M = 143, SD = 29.2	M = 156, SD = 29.2	−1.10	0.16
Decomposition (training group)
Impact of acuity (bits)	Trained	M = .23, SD = .75	M = .31, SD = .75	−.25	0.6
	Untrained	M = .55, SD = .51	M = .55, SD = .51	≈0	0.5
Impact of crowding (bits)	Trained	M = 10.29, SD = 2.34	M = 5.46, SD = 2.34	5.05	0.002
	Untrained	M = 11.65, SD = 2.32	M = 7.39, SD = 2.32	4.50	0.0032
Impact of mislocations (bits)	Trained	M = 1.30, SD = .37	M = .62, SD = .37	4.50	0.0032
	Untrained	M = 1.70, SD = .14	M = 1.08, SD = .14	10.95	<0.001