Table 3.

A case of the CAT responding process (Yes = 1, No = 0) with a sequence of item selection.

Step	Response	Ability	SEM	Items	Difficulty
1	0	-	2.77	FAI6: local shopping	0.59
2	1	0.21	2.43	BI4: dressing	-0.77
3	1	0.87	1.86	BI2: bathing	0.55
4	1	1.76	1.39	FAI10: driving a car/bus travel	1.83
5	1	2.42	1.15	FAI4: light housework	1.95
6	1	3.07	1.00	FAI5: heavy housework	2.75
7	0	2.65	0.96	FAI2: washing up	3.09