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. Author manuscript; available in PMC: 2016 Apr 5.
Published in final edited form as: Int J Cogn Technol. 2014;19(2):13–21.

Table 2. Pre- and Post-test performance on ATTENTION WORKOUT™.

Pre- and post-test performance Mann-Whitney Results

Task Extended practice (n=17) Abbreviated practice (n=13) U z p-value
Coordinating Attention
Radio tuning, Median (IQR)
 Pre-test 0.43 (0.32, 0.64) 0.38 (0.28, 0.41) 72 -1.62 .11
 Post-test 0.49 (0.42, 0.84) 0.38 (0.29, 0.45) 30 -2.73 .01
Circuit-breaker resetting, Median (IQR)
 Pre-test 0.84 (0.78, 0.92) 0.82 (0.68, 0.91) 93 -0.73 .46
 Post-test 0.92 (0.84, 0.97) 0.82 (0.69, 0.84) 46 -2.24 .03
Radio-Switch combination, Median (IQR)
 Pre-test 0.63 (0.56, 0.68) 0.59 (0.52, 0.66) 89 -0.90 .37
 Post-test 0.71 (0.65, 0.89) 0.56 (0.56, 0.65) 15 -3.51 <.0001
Allocating Attention
UFOV—No distractors, Median (IQR)
 Pre-test 1.00 (1.00, 1.00) 1.00 (1.00, 1.00) 102 -1.14 .74
 Post-test 1.00 (1.00, 1.00) 1.00 (1.00, 1.00) 76.5 -1.79 .43
UFOV— Distractors, Median (IQR)
 Pre-test 1.00 (0.90, 1.00) 0.90 (0.90, 1.00) 76 -1.65 .16
 Post-test 1.00 (1.00, 1.00) 1.00 (0.90, 1.00) 52.5 -2.48 .21
Focusing Attention
Matching level 1, Median (IQR)
 Pre-test 1.00 (1.00, 1.00) 1.00 (1.00, 1.00) 104 -0.87 .38
 Post-test 1.00 (1.00, 1.00) 1.00 (0.88, 1.00) 61.5 -1.48 .14
Matching level 2, Median (IQR)
 Pre-test 1.00 (0.88, 1.00) 0.88 (0.88, 1.00) 100 -0.49 .62
 Post-test 0.88 (0.88, 1.00) 1.00 (0.88, 1.00) 66.5 -0.95 .34
Matching level 3, Median (IQR)
 Pre-test 0.88 (0.75, 1.00) 0.88 (0.75, 0.88) 87.5 -1.01 .31
 Post-test 0.88 (0.88, 1.00) 0.88 (0.88, 1.00) 58.5 -1.14 .15
Matching level 4, Median (IQR)
 Pre-test 1.00 (1.00, 1.00) 1.00 (0.75, 1.00) 87 -1.18 .24
 Post-test 1.00 (1.00, 1.00) 1.00 (0.88, 1.00) 49.5 -2.33 .02
RD – related words, Median (IQR)
 Pre-test 0.75 (0.50, 1.00) 0.50 (0.50, 0.75) 67 -1.92 .06
 Post-test 0.75 (0.75, 1.00) 0.50 (0.50, 1.00) 52.5 -1.65 .10
RD – unrelated words, Median (IQR)
 Pre-test 0.75 (0.75, 1.00) 0.75 (0.75, 1.00) 105 -0.26 .79
 Post-test 1.00 (0.75, 1.00) 0.75 (0.50, 1.00) 39.5 -2.34 .02
RD – Xs, Median (IQR)
 Pre-test 0.75 (0.75, 0.75) 0.75 (0.75, 0.75) 108.5 -0.11 .91
 Post-test 1.00 (0.75, 1.00) 0.75 (0.75, 1.00) 63 1.10 .27
RD – blank, Median (IQR)
 Pre-test 0.75 (0.75, 1.00) 0.75 (0.75, 1.00) 95 -0.69 .49
 Post-test 1.00 (0.75, 1.00) 0.50 (0.25, 0.75) 26.5 -3.05 .002
Generalization Task
Word recall—time, Median (IQR)
 Pre-test (sec) 70.92 (63.70, 80.55) 78.56 (61.20, 93.26) 101 -0.40 .69
 Post-test (sec) 86.82 (56.49, 112.88) 69.59 (61.31, 128.20) 81 -0.08 .94
Word recall— number correct, Median (IQR)
 Pre-test 5 (7, 9) 4 (3, 7) 47 -2.69 .01
 Post-test 8 (7, 11) 5 (4, 7) 20 -3.27 .001

Abbreviations: IQR = Interquartile range; RD = Reading Distraction; UFOV = Useful Field of View