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Table 1 Detailed descriptive and inferential statistics of the reported experiments

From: Two people, one graph: the effect of rotated viewpoints on accessibility of data visualizations

Absolute latencies for response onsets by condition Test statistics for differences to baseline
Intervention Diagram rotation Label condition Mean (sd) t (df) p dz [95% CI]
Experiment 1       
Letter Baseline   1574 (283)    
Letter 90 Co-rotate 1693 (344) 1.210 (32) .235 0.21 [− 0.12, 0.63]
Letter 180 Co-rotate 1750 (420) 2.322 (32) .027 0.40 [ 0.08, 0.78]
Letter 270 Co-rotate 1737 (380) 2.152 (32) .039 0.37 [ 0.06, 0.71]
Letter 90 Reformatted 1683 (408) 0.702 (32) .487 0.12 [− 0.25, 0.45]
Letter 180 Reformatted 1668 (417) 0.360 (32) .721 0.06 [− 0.31, 0.40]
Letter 270 Reformatted 1679 (389) 0.700 (32) .489 0.12 [− 0.24, 0.43]
Word Baseline   1736 (371)    
Word 90 Co-rotate 1904 (408) 6.883 (32)  < .001 1.20 [ 0.85, 1.75]
Word 180 Co-rotate 1917 (433) 5.334 (32)  < .001 0.93 [ 0.63, 1.36]
Word 270 Co-rotate 1904 (414) 6.535 (32)  < .001 1.14 [ 0.76, 1.67]
Word 90 Reformatted 1834 (390) 4.705 (32)  < .001 0.82 [ 0.54, 1.19]
Word 180 Reformatted 1817 (390) 4.533 (32)  < .001 0.79 [ 0.46, 1.23]
Word 270 Reformatted 1793 (358) 3.643 (32) .001 0.63 [ 0.32, 1.03]
Experiment 2       
Pictograph Baseline   1496 (425)    
Pictograph 90 Co-rotate 1703 (581) 1.943 (34) .060 0.33 [− 0.02, 1.00]
Pictograph 180 Co-rotate 1682 (539) 2.029 (34) .050 0.34 [ 0.00, 0.90]
Pictograph 270 Co-rotate 1698 (570) 1.705 (34) .097 0.29 [− 0.05, 0.89]
Pictograph 90 Reformatted 1629 (458) 1.169 (34) .250 0.20 [− 0.12, 0.66]
Pictograph 180 Reformatted 1517 (444) − 1.124 (34) .269 − 0.19 [− 0.43, 0.16]
Pictograph 270 Reformatted 1630 (517) 1.036 (34) .308 0.18 [− 0.15, 0.57]
Word Baseline   1636 (465)    
Word 90 Co-rotate 1783 (507) 4.189 (34)  < .001 0.71 [ 0.31, 1.38]
Word 180 Co-rotate 1882 (592) 6.007 (34)  < .001 1.02 [ 0.64, 1.63]
Word 270 Co-rotate 1778 (559) 3.120 (34) .004 0.53 [ 0.10, 1.58]
Word 90 Reformatted 1798 (577) 4.433 (34)  < .001 0.75 [ 0.50, 1.13]
Word 180 Reformatted 1684 (484) 1.826 (34) .077 0.31 [− 0.04, 1.11]
Word 270 Reformatted 1751 (555) 2.726 (34) .010 0.46 [ 0.07, 1.32]
Experiment 3       
Multicolor Baseline   1306 (356)    
Multicolor 90 Co-rotate 1385 (448) − 0.928 (40) .359 0.14 [− 0.48, 0.16]
Multicolor 180 Co-rotate 1357 (462) − 1.607 (40) .116 − 0.25 [− 0.57, 0.05]
Multicolor 270 Co-rotate 1472 (470) 1.520 (40) .136 0.24 [− 0.07, 0.60]
Multicolor 90 Reformatted 1397 (469) − 0.549 (40) .586 0.09 [− 0.40, 0.22]
Multicolor 180 Reformatted 1331 (399) − 2.252 (40) .030 − 0.35 [− 0.70, − 0.05]
Multicolor 270 Reformatted 1416 (450) − 0.035 (40) .972 0.01 [− 0.32, 0.31]
Monocolor Baseline   1526 (469)    
Monocolor 90 Co-rotate 1615 (526) 4.955 (40)  < .001 0.77 [ 0.45, 1.19]
Monocolor 180 Co-rotate 1641 (487) 6.924 (40)  < .001 1.08 [ 0.81, 1.47]
Monocolor 270 Co-rotate 1701 (551) 7.065 (40)  < .001 1.10 [ 0.79, 1.56]
Monocolor 90 Reformatted 1562 (439) 4.925 (40)  < .001 0.77 [ 0.45, 1.18]
Monocolor 180 Reformatted 1607 (499) 5.403 (40)  < .001 0.84 [ 0.55, 1.24]
Monocolor 270 Reformatted 1648 (466) 6.915 (40)  < .001 1.08 [ 0.82, 1.45]
  1. Alpha-level Bonferroni-corrected to .00416