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. 2013 Jul 23;7:33. doi: 10.3389/fnsys.2013.00033

Table A1.

Means (standard deviations) of the characteristics of the “old” vs. “new” target words separately for each of the four experimental setups.

Fixed-paced ERPs Self-paced ERPs Valid-preview FRPs Masked FRPs
Old New Old New Old New Old New
M (SD) M (SD) M (SD) M (SD) M (SD) M (SD) M (SD) M (SD)
Frequencya 31 (32) 30 (35) 30 (31) 31 (33) 31 (33) 31 (36) 30 (38) 31 (66)
Bigram count [N]b 580 (493) 577 (557) 582 (469) 577 (581) 577 (447) 579 (570) 579 (593) 580 (456)
Bigram freq.c 7576 (7293) 7492 (7868) 7541 (7004) 7559 (9086) 7529 (7807) 7556 (9060) 7488 (16668) 7525 (8018)
Syllables [N] 1.8 (0.4) 1.8 (0.4) 1.8 (0.4) 1.8 (0.4) 1.8 (0.4) 1.8 (0.4) 1.8 (0.4) 1.8 (0.4)
Letters [N] 5.68 (1.38) 5.68 (1.1) 5.68 (1.1) 5.68 (0.94) 5.68 (1.35) 5.68 (1.11) 5.68 (1.24) 5.68 (1.04)
Neighbors [N]d 1.98 (2.38) 1.98 (3.02) 1.98 (2.06) 1.98 (2.23) 1.98 (2.31) 1.98 (2.08) 1.98 (2.25) 1.98 (2.35)
Emotional valencee 0.2 (1.33) 0.19 (1.39) 0.2 (1.63) 0.19 (1.41) 0.2 (1.45) 0.19 (1.5) 0.2 (1.37) 0.2 (1.48)
Imageabilitye 4.34 (1.54) 4.33 (1.33) 4.33 (1.27) 4.34 (1.42) 4.33 (1.33) 4.32 (1.41) 4.32 (1.34) 4.32 (1.26)
a

Frequency measures denote occurrences per million (CELEX; Baayen et al., 1993).

b

Number of words in the CELEX database with the same bigram.

c

Summed frequency of the words with the same bigram.

d

Number of words of the same length which differ only by one letter.

e

Võ et al. (2006); Zero denotes emotional neutrality—positive values denote positive emotional valence (max: +3); imageability ranges from 1 (low imaginability) to 7.