Table 1.

The average number of training trials before a child answered three questions correctly in a row (note that lower scores indicate faster learning).

Training Condition	Hatch Mark		Read-Off
	Mean	SD	Mean	SD
Disconfirming Evidence Alone	2.88	2.80	4.71	1.34
Disconfirming Evidence + Structural Alignment	1.00	1.00	3.00	2.92