. Author manuscript; available in PMC: 2010 Jul 1.

Published in final edited form as: Vision Res. 2009 May 19;49(15):1948–1960. doi: 10.1016/j.visres.2009.05.004

Table 1. Types of responses to the stimulus letter pair “ec”, and how the responses were scored according to the exact and either-position criteria.

	Exact		Either-position

Response	Left letter	Right letter	Left letter	Right letter
“ec”	✓	✓	✓	✓
“ce”	✗	✗	✓	✓
“eo”	✓	✗	✓	✗
“oe”	✗	✗	✓	✗
“sc”	✗	✓	✗	✓
“cs”	✗	✗	✗	✓
“so”	trial excluded from analysis		trial excluded from analysis