subject,sub,prepost,group
1,h001,post,exercise
2,h002,post,reading
3,h003,post,exercise
4,h004,post,exercise
5,h005,post,exercise
6,h006,post,exercise
7,h007,post,exercise
8,h008,post,reading
9,h009,post,exercise
10,h010,post,reading
11,h011,post,reading
12,h012,post,reading
13,h013,post,reading
14,h014,post,reading
15,h015,post,exercise
16,h016,post,exercise
17,h017,post,exercise
18,h018,post,exercise
19,h019,post,exercise
20,h020,post,reading
21,h021,post,exercise
22,h022,post,reading
23,h023,post,reading
24,h024,post,exercise
25,h025,post,reading
26,h026,post,reading
27,h027,post,reading
28,h028,post,reading
29,h029,post,exercise
30,h030,post,reading
1,q001,pre,exercise
2,q002,pre,reading
3,q003,pre,exercise
4,q004,pre,exercise
5,q005,pre,exercise
6,q006,pre,exercise
7,q007,pre,exercise
8,q008,pre,reading
9,q009,pre,exercise
10,q010,pre,reading
11,q011,pre,reading
12,q012,pre,reading
13,q013,pre,reading
14,q014,pre,reading
15,q015,pre,exercise
16,q016,pre,exercise
17,q017,pre,exercise
18,q018,pre,exercise
19,q019,pre,exercise
20,q020,pre,reading
21,q021,pre,exercise
22,q022,pre,reading
23,q023,pre,reading
24,q024,pre,exercise
25,q025,pre,reading
26,q026,pre,reading
27,q027,pre,reading
28,q028,pre,reading
29,q029,pre,exercise
30,q030,pre,reading