Experimental results from 49 subjects Test 0 Test 1 Test 2 Test 3 Test 4 Test 5 Test 6 Subj # Gender Hand Age No MR MR-G MR+G MR-Gn MR+Gn Ratio 84.5 73.3 85.9 68.4 96.0 57.8 79.5 1 1 1 10 86.7 79.6 63.1 0.919 0.728 0.793 173.1 104.7 106.8 96.5 173.9 100.0 121.6 2 1 1 10 156.2 105.7 98.3 0.677 0.629 0.929 180.0 144.0 150.0 164.4 327.3 84.7 251.7 3 1 1 11 253.0 147.0 124.5 0.581 0.492 0.847 204.5 154.5 116.1 160.0 230.8 133.3 241.6 4 1 3 11 225.6 135.3 146.7 0.600 0.650 1.084 109.4 88.5 112.1 102.0 167.4 72.7 18000.0 5 2 1 10 138.4 100.3 87.4 0.725 0.631 0.871 164.4 185.6 101.4 155.2 292.7 121.2 194.6 6 1 3 11 217.2 143.5 138.2 0.661 0.636 0.963 444.4 140.1 130.4 128.1 302.5 145.7 318.6 7 1 2 10 355.2 135.3 136.9 0.381 0.386 1.012 181.8 93.8 113.9 143.4 188.5 116.1 203.4 8 2 1 11 191.2 103.8 129.8 0.543 0.679 1.250 160.7 103.7 116.9 64.2 108.1 179.1 130.4 9 1 1 10 133.1 110.3 121.6 0.829 0.914 1.103 106.2 93.8 110.4 116.1 116.1 116.5 81.8 10 1 1 12 101.4 102.1 116.3 1.007 1.147 1.139 193.5 112.1 139.0 150.6 195.7 196.7 130.0 11 1 2 10 173.1 125.6 173.7 0.726 1.004 1.383 363.6 155.2 154.5 193.5 500.0 205.7 375.0 12 2 2 24 412.9 154.8 199.6 0.375 0.484 1.289 342.9 213.0 214.3 292.7 480.0 292.7 444.4 13 1 1 25 422.4 213.7 292.7 0.506 0.693 1.370 1028.6 220.9 193.5 413.8 692.3 409.1 514.3 14 1 2 43 603.3 207.2 411.4 0.343 0.682 1.986 378.9 223.6 220.9 302.5 360.0 251.7 529.4 15 2 1 12 422.8 222.2 277.1 0.526 0.655 1.247 160.0 201.1 178.2 229.3 507.0 215.6 514.3 16 2 3 12 393.8 189.7 222.4 0.482 0.565 1.173 310.3 156.5 169.0 208.1 260.9 173.9 321.4 17 2 2 12 297.5 162.8 191.0 0.547 0.642 1.173 110.4 106.8 95.2 128.1 128.1 318.6 100.3 18 1 1 12 112.9 101.0 223.3 0.895 1.978 2.211 205.7 118.4 124.6 131.4 176.5 88.9 204.5 19 2 1 13 195.6 121.5 110.1 0.621 0.563 0.907 192.5 250.0 225.0 208.1 571.4 211.8 387.1 20 1 2 13 383.7 237.5 209.9 0.619 0.547 0.884 268.7 160.7 194.6 194.6 310.3 229.3 310.3 21 1 1 14 296.4 177.7 211.9 0.599 0.715 1.193 327.3 139.0 140.1 151.3 229.3 133.3 180.0 22 1 1 11 245.5 139.5 142.3 0.568 0.580 1.020 225.0 133.3 137.9 169.0 225.0 146.3 181.8 23 1 1 10 210.6 135.6 157.7 0.644 0.749 1.163 264.7 179.1 223.6 204.5 553.8 297.5 529.4 24 2 1 37 449.3 201.4 251.0 0.448 0.559 1.247 352.9 180.9 155.8 168.2 225.0 215.6 193.5 25 2 1 31 257.2 168.4 191.9 0.655 0.746 1.140 131.4 74.1 77.9 62.9 118.0 77.3 78.9 26 2 1 9 109.5 76.0 70.1 0.694 0.640 0.922 186.5 141.7 87.2 116.5 95.7 122.9 134.3 27 1 1 7 138.9 114.4 119.7 0.824 0.862 1.046 142.9 115.4 99.4 98.4 129.0 99.2 104.0 28 1 1 7 125.3 107.4 98.8 0.857 0.788 0.919 290.3 68.2 70.6 72.4 66.2 66.5 65.7 29 1 1 9 140.7 69.4 69.5 0.493 0.494 1.001 243.2 148.1 134.8 148.8 333.3 180.9 246.6 30 2 1 48 274.4 141.5 164.8 0.516 0.601 1.165 218.2 250.0 342.9 400.0 433.7 500.0 720.0 31 2 1 57 457.3 296.4 450.0 0.648 0.984 1.518 363.6 238.4 200.0 266.7 428.6 259.0 387.1 32 2 1 42 393.1 219.2 262.8 0.558 0.669 1.199 220.9 144.6 150.0 145.2 187.5 116.5 272.7 33 2 1 39 227.0 147.3 130.8 0.649 0.576 0.888 177.3 146.3 162.2 145.7 157.2 192.5 184.6 34 1 2 23 173.1 154.3 169.1 0.891 0.977 1.096 313.0 155.2 153.2 127.7 367.3 185.6 300.0 35 2 1 52 326.8 154.2 156.6 0.472 0.479 1.016 145.7 95.7 91.8 124.6 375.0 77.4 235.3 36 1 1 63 252.0 93.8 101.0 0.372 0.401 1.077 433.7 233.8 238.4 300.0 500.0 313.0 493.2 37 2 1 26 475.6 236.1 306.5 0.496 0.644 1.298 274.8 131.4 118.8 151.9 346.2 211.8 225.0 38 1 1 40 282.0 125.1 181.8 0.444 0.645 1.453 321.4 162.9 111.1 216.9 356.4 244.9 276.9 39 1 1 64 318.3 137.0 230.9 0.430 0.725 1.685 367.3 149.4 173.9 215.6 400.0 205.7 367.3 40 2 2 40 378.2 161.6 210.6 0.427 0.557 1.303 352.9 180.0 168.2 243.2 418.6 185.6 363.6 41 2 1 60 378.4 174.1 214.4 0.460 0.567 1.231 197.8 95.2 97.6 131.4 173.1 118.4 184.6 42 1 1 59 185.2 96.4 124.9 0.521 0.675 1.296 230.8 179.1 203.4 197.8 206.9 283.5 229.3 43 2 1 31 222.3 191.2 240.6 0.860 1.082 1.258 349.5 168.2 206.9 227.8 378.9 216.9 305.1 44 1 1 25 344.5 187.6 222.4 0.544 0.645 1.186 218.2 170.6 168.2 218.2 297.5 206.9 230.8 45 2 1 29 248.8 169.4 212.5 0.681 0.854 1.255 235.3 141.7 154.5 189.5 352.9 205.7 281.2 46 2 1 55 289.8 148.1 197.6 0.511 0.682 1.334 433.7 125.4 178.2 302.5 450.0 324.3 327.3 47 1 1 49 403.7 151.8 313.4 0.376 0.776 2.064 325.8 261.8 248.3 251.7 356.4 367.3 400.0 48 2 1 43 360.7 255.0 309.5 0.707 0.858 1.214 283.5 159.3 182.7 173.1 327.3 142.9 279.1 49 1 1 11 296.6 171.0 158.0 0.577 0.533 0.924 Tests 0-6: reading speed in words per minute Gender: 1=male, 2=female Hand: 1=right-handed, 2=left-handed, 3=ambidextrous No MR (mental rotation): average of tests 0, 4, 6 (speeds < 40 or > 1000 excluded) MR-G (MR, not gravitationally oriented): average of tests 1, 2 (speeds < 40 or > 1000 excluded) MR+G (MR, gravitationally oriented): average of tests 3, 5 (speeds < 40 or > 1000 excluded) MR-Gn: MR-G, normalized by [No MR] MR+Gn: MR+G, normalized by [No MR] Ratio: MR+G / MR-G