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. 2010 Nov 16;43(1):239–257. doi: 10.3758/s13428-010-0031-2

Table 2.

Robust estimates of standard deviations and correlations (∑) of changes in POR during fixations in x- and y-directions for different tasks (in °/s)

Task Left eye Right eye Correlations right and left eyes
sd(xl) sd(yl) r(xl, yl) sd(xr) sd(yr) r(xr, yr) r(xl, xr) r(yl, yr) r(xl, yr) r(yl, xr)
Reading English 1 19.0 (5.46) 25.6 (8.41) .08 (.12) 19.2 (5.18) 25.5 (7.56) –.14 (.11) .13 (.05) .01 (.04) –.01 (.04) –.01 (.03)
Reading English 2 17.8 (3.88) 23.4 (6.25) .12 (.12) 18.6 (5.06) 23.3 (6.63) –.14 (.12) .13 (.07) .01 (.04) .00 (.04) .01 (.05)
Reading Dutch 1 18.6 (4.16) 23.5 (4.69) .07 (.11) 19.4 (4.90) 23.6 (6.67) –.16 (.12) .13 (.04) .02 (.05) .00 (.03) .00 (.04)
Reading Dutch 2 19.6 (5.83) 25.5 (8.55) .10 (.11) 19.7 (5.51) 26.3 (8.12) –.10 (.09) .13 (.10) .02 (.05) .01 (.03) –.01 (.04)
Reading Overall 18.9 (5.02) 24.8 (7.41) .09 (.12) 19.3 (5.12) 24.9 (7.37) –.13 (.10) .13 (.07) .02 (.04) .00 (.03) .00 (.04)
Search Shampoo 15.8 (4.12) 19.9 (5.56) –.05 (.13) 15.5 (3.27) 18.6 (6.64) –.17 (.13) .10 (.17) .07 (.21) –.01 (.09) .00 (.09)
Search Margarine 17.2 (5.15) 17.8 (5.16) .07 (.12) 16.9 (4.70) 18.5 (5.33) –.06 (.11) .13 (.21) .05 (.23) –.00 (.07) .00 (.09)
Search Overall 16.4 (4.59) 19.0 (5.46) .00 (.14) 16.1 (3.95) 18.5 (6.09) –.12 (.13) .11 (.19) .06 (.21) –.01 (.08) .00 (.09)
Ad Exploration 1 19.8 (6.28) 21.6 (8.04) .12 (.13) 19.9 (6.88) 21.6 (9.72) –.08 (.15) .12 (.13) .02 (.08) .00 (.10) –.02 (.10)
Ad Exploration 2 19.0 (4.93) 23.0 (6.91) .01 (.13) 18.5 (4.70) 22.4 (8.72) –.12 (.12) .14 (.09) .04 (.08) –.02 (.07) .00 (.07)
Ad Exploration Overall 19.4 (5.65) 22.3 (7.50) .07 (.14) 19.2 (5.93) 22.0 (9.21) –.10 (.14) .13 (.11) .03 (.08) –.01 (.09) –.01 (.09)
Overall 18.4 (5.30) 22.3 (7.30) .06 (.14) 18.4 (5.35) 22.1 (8.20) –.12 (.12) .13 (.13) .03 (.12) –.00 (.07) –.00 (.07)

Note: Standard deviations across individuals in parentheses