row	intervene	age	time	repetition	recall
1	-1	-1	-1	1	1.98
2	1	-1	-1	1	1.45
3	-1	1	-1	1	1.2
4	1	1	-1	1	0.78
5	-1	-1	1	1	1.17
6	1	-1	1	1	1.38
7	-1	1	1	1	0.32
8	1	1	1	1	0.83
9		-1	-1	-1	1.37
10		-1	-1	-1	0.52
11		1	-1	-1	0.85
12		1	-1	-1	0.24