Table 4 Distance effects in the amplitude of ERPs at electrode P8. Results for time intervals demonstrating significant effects are shown. Distance 5 minus distance 1 (D5-D1) values are given for both tasks, in μV. The F and the p values for the distance effect are given in the two lowest rows. The results of relevant post-hoc tests are given in the text. (Distance × Task df = 1,9.)

Interval (ms)

216-234

270-300

210-230

270-290

145-165

190-210

250-280

Numerical: D5-D1

-2.12

2.28

-1.16

1.69

1.3

-0.54

1.79

Physical: D5-D1

-0.43

3.89

-1.11

1.06

0.37

-1.13

1.05

Distance: F(1,9) =

5.93

7.34

6.21

5.31

6.33

27.53

19.49

Distance: p

0.0376

0.0240

0.0342

0.0466

0.0330

0.0005

0.0017

Distance × Task: F

--

--

--

--

40.38

4.98

10.15

Distance × Task: p

0.3

0.3

1.0

0.5

0.0001

0.0525

0.0111