Reading Times (ms) not adjusted for length and (standard deviations) for Relative Clause and Control Experience Groups for Subject Relative (SR) and Object Relative (OR) sentences in Pretest and Posttest sessions.

	Relative Clause Experience Group (N = 32)
	Region 1	Region 2	Region 3	Region 4
SR, Pretest	383 (107)	381 (121)	425 (152)	376 (89)
OR, Pretest	371 (104)	415 (162)	491 (192)	393 (103)
SR, Posttest	301 (69)	292 (72)	330 (103)	304 (60)
OR, Posttest	285 (60)	310 (98)	345 (103)	313 (60)
	Control Experience Group (N = 32)
	Region 1	Region 2	Region 3	Region 4
SR, Pretest	375 (95)	389 (125)	449 (174)	367 (94)
OR, Pretest	370 (92)	426 (144)	484 (182)	387 (113)
SR, Posttest	302 (70)	298 (77)	319 (95)	312 (78)
OR, Posttest	293 (66)	307 (91)	370 (124)	330 (81)