. Author manuscript; available in PMC: 2022 Nov 17.

Published in final edited form as: Proc Conf Assoc Comput Linguist Meet. 2022 May;2022:7331–7345. doi: 10.18653/v1/2022.acl-long.506

Table 5:

% length change (left) and normalized edit distances (right) in simplified sentences in each insertion and deletion error category (mean ± standard deviation).

		% length change			Normalized edit distance
		Level 0	Level 1	Level 2	Level 0	Level 1	Level 2
Insertion	Wikilarge	−5.0 (17.0)	22.4 (36.9)	7.1 (0.0)	0.20 (0.20)	0.55 (0.40)	0.58 (0.0)
Insertion	Newsela	−39.4 (23.8)	−19.0 (36.9)	−38.3 (29.0)	0.41 (0.17)	0.51 (0.21)	0.54 (0.04)
Deletion	Wikilarge	2.8 (15.8)	−22.3 (18.9)	−35.9 (15.9)	0.19 (0.23)	0.35 (0.18)	0.39 (0.14)
Deletion	Newsela	1.5 (27.6)	−34.8 (23.1)	−49.6 (22.8)	0.34 (0.31)	0.46 (0.13)	0.53 (0.10)