Table 3.
Scheduling of Subtasks. The task is decomposed into ten subtasks including BT (putting bread on table), PLF (taking peanut butter lid off), JLF (taking jelly lid off), KH (grabbing knife in hand), POB (spreading peanut butter on bread), JOB (spreading jelly on bread), PLO (putting peanut butter lid on), JLO (putting jelly lid on), KT (putting knife on table), and FB (flipping bread to make an sandwich). Letters a, b and c denote the orders of subtasks taken by 3 subjects, e.g. in the first 2 steps subject c put bread on the table and took jelly lid off.
| SEQUENTIAL TIME INTERVALS | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||
| SUBTASK LIST |
BT | abc | |||||||||
| PLF | a | c | b | ||||||||
| JLF | bc | a | |||||||||
| KH | ab | c | |||||||||
| POB | a | c | b | ||||||||
| JOB | b | c | a | ||||||||
| PLO | a | b | c | ||||||||
| JLO | c | ab | |||||||||
| KT | c | ab | |||||||||
| FB | b | c | a | ||||||||