Table 4.

Regression analysis predicting performance on multiple-choice and spelling post-tests.

	R2	ΔR2	ΔF
CRITERION: RECOGNITION TASK
1. Literacy (Reading and spelling)	0.516	0.516	19.66***
2. Practice group	0.516	0.000	<1.00
3. Reading × group interaction	0.517	0.001	<1.00
3. Spelling × group interaction	0.516	0.000	<1.00
3. Printing × group interaction	0.517	0.001	<1.00
3. Typing × group interaction	0.571	0.055	4.51*
CRITERION: SPELLING TASK
1. Literacy (Reading and Spelling)	0.565	0.565	24.01***
2. Practice group	0.568	0.003	<1.00
3. Reading × group interaction	0.574	0.006	<1.00
3. Spelling × group interaction	0.576	0.008	<1.00
3. Printing × group interaction	0.569	0.001	<1.00
3. Typing × group interaction	0.648	0.080	7.96**

^*p < 0.05,

^**p < 0.01,

^***p < 0.001.