Subject Rest            Work            group
1            5.74000          6.2400            experimental
2            6.79000          9.0700            experimental
3            5.32000          7.7700            experimental
4            7.18000            16.4600            experimental
5            5.60000          6.9500            experimental
6            6.06000          8.1400            experimental
7            6.32000            11.7200            experimental
8            6.34000          8.0600            experimental
9            6.21000          5.5000            control
10            4.50000          4.6400            control
11            4.86000          4.6100            control
12            4.78000          3.7800            control
13            4.79000          5.4100            control
14            5.70000          5.3200            control
15            5.41000          4.5400            control
16            6.08000          5.9800            control