TABLE 5.

Transition probabilities for classes from pretest to posttest.

		Posttest class
		Unstructured	Strategy 1	Unclassified	Strategy 2	Addition strategy
Pretest class	Unstructured	0.49	0.12	0.22	0.11	0.06
	Strategy 1	0.09	0.25	0.28	0.25	0.14
	Unclassified	0.06	0	0.64	0	0.30
	Strategy 2	0.15	0.02	0.20	0.60	0.03
	Addition strategy	0.10	0	0.09	0.06	0.76