Table 2.

Coding scheme to assign direct observation scores to each activity.

Score	Criteria
1	Task completed without any errors
2	Task completed with no more than two of the following errors: non-critical omissions, non-critical substitutions, irrelevant actions, inefficient actions
3	Task completed with more than two of the following errors: non-critical omissions, non-critical substitutions, irrelevant actions, inefficient actions
4	Task incomplete, more than 50% of the task completed, contains critical omission or substitution error
5	Task incomplete, less than 50% of the task completed, contains critical omission or substitution error