Table 1.

Sample stimuli used in GR and SP conditions

Error	GR	SP
1	Bill wrote paper a about the discussion of the treaty.	Bill wrote a papger about the discussion of the treaty.
1	Mary wanted to read about the destruction the of city	Mary waanted to read about the destruction of the city.
1	John drove to store the in a very fast car two weeks ago.	John drove to the store in a very fasvt car two weeks ago.
2	Mary asked question a about theorem the in class.	Mary askepd a question about the theorem in cllass.
2	The editor read article the with revisions Anne's after lunch.	The editor read the artilce with Anne's rezvisions after lunch.
2	Tom drove the to beach on Will's fast extremely motorcycle.	Tom drove to tfe beach on Will's extremely fqast motorcycle.